20105304480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{17923}}^1$

素因数の和:18004

約数の個数: 288

約数和(自身を含む): 73985970240

約数和(自身を除く): 53880665760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 41, 45, 48, 57, 60, 72, 76, 80, 82, 90, 95, 96, 114, 120, 123, 144, 152, 160, 164, 171, 180, 190, 205, 228, 240, 246, 285, 288, 304, 328, 342, 360, 369, 380, 410, 456, 480, 492, 570, 608, 615, 656, 684, 720, 738, 760, 779, 820, 855, 912, 984, 1140, 1230, 1312, 1368, 1440, 1476, 1520, 1558, 1640, 1710, 1824, 1845, 1968, 2280, 2337, 2460, 2736, 2952, 3040, 3116, 3280, 3420, 3690, 3895, 3936, 4560, 4674, 4920, 5472, 5904, 6232, 6560, 6840, 7011, 7380, 7790, 9120, 9348, 9840, 11685, 11808, 12464, 13680, 14022, 14760, 15580, 17923, 18696, 19680, 23370, 24928, 27360, 28044, 29520, 31160, 35055, 35846, 37392, 46740, 53769, 56088, 59040, 62320, 70110, 71692, 74784, 89615, 93480, 107538, 112176, 124640, 140220, 143384, 161307, 179230, 186960, 215076, 224352, 268845, 280440, 286768, 322614, 340537, 358460, 373920, 430152, 537690, 560880, 573536, 645228, 681074, 716920, 734843, 806535, 860304, 1021611, 1075380, 1121760, 1290456, 1362148, 1433840, 1469686, 1613070, 1702685, 1720608, 2043222, 2150760, 2204529, 2580912, 2724296, 2867680, 2939372, 3064833, 3226140, 3405370, 3674215, 4086444, 4301520, 4409058, 5108055, 5161824, 5448592, 5878744, 6129666, 6452280, 6613587, 6810740, 7348430, 8172888, 8603040, 8818116, 10216110, 10897184, 11022645, 11757488, 12259332, 12904560, 13227174, 13621480, 13962017, 14696860, 15324165, 16345776, 17636232, 20432220, 22045290, 23514976, 24518664, 25809120, 26454348, 27242960, 27924034, 29393720, 30648330, 32691552, 33067935, 35272464, 40864440, 41886051, 44090580, 49037328, 52908696, 54485920, 55848068, 58787440, 61296660, 66135870, 69810085, 70544928, 81728880, 83772102, 88181160, 98074656, 105817392, 111696136, 117574880, 122593320, 125658153, 132271740, 139620170, 163457760, 167544204, 176362320, 209430255, 211634784, 223392272, 245186640, 251316306, 264543480, 279240340, 335088408, 352724640, 418860510, 446784544, 490373280, 502632612, 529086960, 558480680, 628290765, 670176816, 837721020, 1005265224, 1058173920, 1116961360, 1256581530, 1340353632, 1675442040, 2010530448, 2233922720, 2513163060, 3350884080, 4021060896, 5026326120, 6701768160, 10052652240, 20105304480]

約数ペア:

[(1, 20105304480), (2, 10052652240), (3, 6701768160), (4, 5026326120), (5, 4021060896), (6, 3350884080), (8, 2513163060), (9, 2233922720), (10, 2010530448), (12, 1675442040), (15, 1340353632), (16, 1256581530), (18, 1116961360), (19, 1058173920), (20, 1005265224), (24, 837721020), (30, 670176816), (32, 628290765), (36, 558480680), (38, 529086960), (40, 502632612), (41, 490373280), (45, 446784544), (48, 418860510), (57, 352724640), (60, 335088408), (72, 279240340), (76, 264543480), (80, 251316306), (82, 245186640), (90, 223392272), (95, 211634784), (96, 209430255), (114, 176362320), (120, 167544204), (123, 163457760), (144, 139620170), (152, 132271740), (160, 125658153), (164, 122593320), (171, 117574880), (180, 111696136), (190, 105817392), (205, 98074656), (228, 88181160), (240, 83772102), (246, 81728880), (285, 70544928), (288, 69810085), (304, 66135870), (328, 61296660), (342, 58787440), (360, 55848068), (369, 54485920), (380, 52908696), (410, 49037328), (456, 44090580), (480, 41886051), (492, 40864440), (570, 35272464), (608, 33067935), (615, 32691552), (656, 30648330), (684, 29393720), (720, 27924034), (738, 27242960), (760, 26454348), (779, 25809120), (820, 24518664), (855, 23514976), (912, 22045290), (984, 20432220), (1140, 17636232), (1230, 16345776), (1312, 15324165), (1368, 14696860), (1440, 13962017), (1476, 13621480), (1520, 13227174), (1558, 12904560), (1640, 12259332), (1710, 11757488), (1824, 11022645), (1845, 10897184), (1968, 10216110), (2280, 8818116), (2337, 8603040), (2460, 8172888), (2736, 7348430), (2952, 6810740), (3040, 6613587), (3116, 6452280), (3280, 6129666), (3420, 5878744), (3690, 5448592), (3895, 5161824), (3936, 5108055), (4560, 4409058), (4674, 4301520), (4920, 4086444), (5472, 3674215), (5904, 3405370), (6232, 3226140), (6560, 3064833), (6840, 2939372), (7011, 2867680), (7380, 2724296), (7790, 2580912), (9120, 2204529), (9348, 2150760), (9840, 2043222), (11685, 1720608), (11808, 1702685), (12464, 1613070), (13680, 1469686), (14022, 1433840), (14760, 1362148), (15580, 1290456), (17923, 1121760), (18696, 1075380), (19680, 1021611), (23370, 860304), (24928, 806535), (27360, 734843), (28044, 716920), (29520, 681074), (31160, 645228), (35055, 573536), (35846, 560880), (37392, 537690), (46740, 430152), (53769, 373920), (56088, 358460), (59040, 340537), (62320, 322614), (70110, 286768), (71692, 280440), (74784, 268845), (89615, 224352), (93480, 215076), (107538, 186960), (112176, 179230), (124640, 161307), (140220, 143384)]