81065520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 240

約数和(自身を含む): 297704160

約数和(自身を除く): 216638640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 37, 40, 45, 48, 51, 60, 68, 72, 74, 80, 85, 90, 102, 111, 120, 136, 144, 148, 153, 170, 179, 180, 185, 204, 222, 240, 255, 272, 296, 306, 333, 340, 358, 360, 370, 408, 444, 510, 537, 555, 592, 612, 629, 666, 680, 716, 720, 740, 765, 816, 888, 895, 1020, 1074, 1110, 1224, 1258, 1332, 1360, 1432, 1480, 1530, 1611, 1665, 1776, 1790, 1887, 2040, 2148, 2220, 2448, 2516, 2664, 2685, 2864, 2960, 3043, 3060, 3145, 3222, 3330, 3580, 3774, 4080, 4296, 4440, 5032, 5328, 5370, 5661, 6086, 6120, 6290, 6444, 6623, 6660, 7160, 7548, 8055, 8592, 8880, 9129, 9435, 10064, 10740, 11322, 12172, 12240, 12580, 12888, 13246, 13320, 14320, 15096, 15215, 16110, 18258, 18870, 19869, 21480, 22644, 24344, 25160, 25776, 26492, 26640, 27387, 28305, 30192, 30430, 32220, 33115, 36516, 37740, 39738, 42960, 45288, 45645, 48688, 50320, 52984, 54774, 56610, 59607, 60860, 64440, 66230, 73032, 75480, 79476, 90576, 91290, 99345, 105968, 109548, 112591, 113220, 119214, 121720, 128880, 132460, 136935, 146064, 150960, 158952, 182580, 198690, 219096, 225182, 226440, 238428, 243440, 264920, 273870, 298035, 317904, 337773, 365160, 397380, 438192, 450364, 452880, 476856, 529840, 547740, 562955, 596070, 675546, 730320, 794760, 900728, 953712, 1013319, 1095480, 1125910, 1192140, 1351092, 1589520, 1688865, 1801456, 2026638, 2190960, 2251820, 2384280, 2702184, 3377730, 4053276, 4503640, 4768560, 5066595, 5404368, 6755460, 8106552, 9007280, 10133190, 13510920, 16213104, 20266380, 27021840, 40532760, 81065520]

約数ペア:

[(1, 81065520), (2, 40532760), (3, 27021840), (4, 20266380), (5, 16213104), (6, 13510920), (8, 10133190), (9, 9007280), (10, 8106552), (12, 6755460), (15, 5404368), (16, 5066595), (17, 4768560), (18, 4503640), (20, 4053276), (24, 3377730), (30, 2702184), (34, 2384280), (36, 2251820), (37, 2190960), (40, 2026638), (45, 1801456), (48, 1688865), (51, 1589520), (60, 1351092), (68, 1192140), (72, 1125910), (74, 1095480), (80, 1013319), (85, 953712), (90, 900728), (102, 794760), (111, 730320), (120, 675546), (136, 596070), (144, 562955), (148, 547740), (153, 529840), (170, 476856), (179, 452880), (180, 450364), (185, 438192), (204, 397380), (222, 365160), (240, 337773), (255, 317904), (272, 298035), (296, 273870), (306, 264920), (333, 243440), (340, 238428), (358, 226440), (360, 225182), (370, 219096), (408, 198690), (444, 182580), (510, 158952), (537, 150960), (555, 146064), (592, 136935), (612, 132460), (629, 128880), (666, 121720), (680, 119214), (716, 113220), (720, 112591), (740, 109548), (765, 105968), (816, 99345), (888, 91290), (895, 90576), (1020, 79476), (1074, 75480), (1110, 73032), (1224, 66230), (1258, 64440), (1332, 60860), (1360, 59607), (1432, 56610), (1480, 54774), (1530, 52984), (1611, 50320), (1665, 48688), (1776, 45645), (1790, 45288), (1887, 42960), (2040, 39738), (2148, 37740), (2220, 36516), (2448, 33115), (2516, 32220), (2664, 30430), (2685, 30192), (2864, 28305), (2960, 27387), (3043, 26640), (3060, 26492), (3145, 25776), (3222, 25160), (3330, 24344), (3580, 22644), (3774, 21480), (4080, 19869), (4296, 18870), (4440, 18258), (5032, 16110), (5328, 15215), (5370, 15096), (5661, 14320), (6086, 13320), (6120, 13246), (6290, 12888), (6444, 12580), (6623, 12240), (6660, 12172), (7160, 11322), (7548, 10740), (8055, 10064), (8592, 9435), (8880, 9129)]