19480320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 216

約数和(自身を含む): 71744400

約数和(自身を除く): 52264080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 89, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 178, 180, 190, 192, 228, 240, 256, 267, 285, 288, 304, 320, 342, 356, 360, 380, 384, 445, 456, 480, 534, 570, 576, 608, 640, 684, 712, 720, 760, 768, 801, 855, 890, 912, 960, 1068, 1140, 1152, 1216, 1280, 1335, 1368, 1424, 1440, 1520, 1602, 1691, 1710, 1780, 1824, 1920, 2136, 2280, 2304, 2432, 2670, 2736, 2848, 2880, 3040, 3204, 3382, 3420, 3560, 3648, 3840, 4005, 4272, 4560, 4864, 5073, 5340, 5472, 5696, 5760, 6080, 6408, 6764, 6840, 7120, 7296, 8010, 8455, 8544, 9120, 10146, 10680, 10944, 11392, 11520, 12160, 12816, 13528, 13680, 14240, 14592, 15219, 16020, 16910, 17088, 18240, 20292, 21360, 21888, 22784, 24320, 25365, 25632, 27056, 27360, 28480, 30438, 32040, 33820, 34176, 36480, 40584, 42720, 43776, 50730, 51264, 54112, 54720, 56960, 60876, 64080, 67640, 68352, 72960, 76095, 81168, 85440, 101460, 102528, 108224, 109440, 113920, 121752, 128160, 135280, 152190, 162336, 170880, 202920, 205056, 216448, 218880, 243504, 256320, 270560, 304380, 324672, 341760, 405840, 432896, 487008, 512640, 541120, 608760, 649344, 811680, 974016, 1025280, 1082240, 1217520, 1298688, 1623360, 1948032, 2164480, 2435040, 3246720, 3896064, 4870080, 6493440, 9740160, 19480320]

約数ペア:

[(1, 19480320), (2, 9740160), (3, 6493440), (4, 4870080), (5, 3896064), (6, 3246720), (8, 2435040), (9, 2164480), (10, 1948032), (12, 1623360), (15, 1298688), (16, 1217520), (18, 1082240), (19, 1025280), (20, 974016), (24, 811680), (30, 649344), (32, 608760), (36, 541120), (38, 512640), (40, 487008), (45, 432896), (48, 405840), (57, 341760), (60, 324672), (64, 304380), (72, 270560), (76, 256320), (80, 243504), (89, 218880), (90, 216448), (95, 205056), (96, 202920), (114, 170880), (120, 162336), (128, 152190), (144, 135280), (152, 128160), (160, 121752), (171, 113920), (178, 109440), (180, 108224), (190, 102528), (192, 101460), (228, 85440), (240, 81168), (256, 76095), (267, 72960), (285, 68352), (288, 67640), (304, 64080), (320, 60876), (342, 56960), (356, 54720), (360, 54112), (380, 51264), (384, 50730), (445, 43776), (456, 42720), (480, 40584), (534, 36480), (570, 34176), (576, 33820), (608, 32040), (640, 30438), (684, 28480), (712, 27360), (720, 27056), (760, 25632), (768, 25365), (801, 24320), (855, 22784), (890, 21888), (912, 21360), (960, 20292), (1068, 18240), (1140, 17088), (1152, 16910), (1216, 16020), (1280, 15219), (1335, 14592), (1368, 14240), (1424, 13680), (1440, 13528), (1520, 12816), (1602, 12160), (1691, 11520), (1710, 11392), (1780, 10944), (1824, 10680), (1920, 10146), (2136, 9120), (2280, 8544), (2304, 8455), (2432, 8010), (2670, 7296), (2736, 7120), (2848, 6840), (2880, 6764), (3040, 6408), (3204, 6080), (3382, 5760), (3420, 5696), (3560, 5472), (3648, 5340), (3840, 5073), (4005, 4864), (4272, 4560)]