305578320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 977080320

約数和(自身を除く): 671502000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 79, 80, 120, 142, 158, 213, 227, 237, 240, 284, 316, 355, 395, 426, 454, 474, 568, 632, 681, 710, 790, 852, 908, 948, 1065, 1135, 1136, 1185, 1264, 1362, 1420, 1580, 1704, 1816, 1896, 2130, 2270, 2370, 2724, 2840, 3160, 3405, 3408, 3632, 3792, 4260, 4540, 4740, 5448, 5609, 5680, 6320, 6810, 8520, 9080, 9480, 10896, 11218, 13620, 16117, 16827, 17040, 17933, 18160, 18960, 22436, 27240, 28045, 32234, 33654, 35866, 44872, 48351, 53799, 54480, 56090, 64468, 67308, 71732, 80585, 84135, 89665, 89744, 96702, 107598, 112180, 128936, 134616, 143464, 161170, 168270, 179330, 193404, 215196, 224360, 241755, 257872, 268995, 269232, 286928, 322340, 336540, 358660, 386808, 430392, 448720, 483510, 537990, 644680, 673080, 717320, 773616, 860784, 967020, 1075980, 1273243, 1289360, 1346160, 1434640, 1934040, 2151960, 2546486, 3819729, 3868080, 4303920, 5092972, 6366215, 7639458, 10185944, 12732430, 15278916, 19098645, 20371888, 25464860, 30557832, 38197290, 50929720, 61115664, 76394580, 101859440, 152789160, 305578320]

約数ペア:

[(1, 305578320), (2, 152789160), (3, 101859440), (4, 76394580), (5, 61115664), (6, 50929720), (8, 38197290), (10, 30557832), (12, 25464860), (15, 20371888), (16, 19098645), (20, 15278916), (24, 12732430), (30, 10185944), (40, 7639458), (48, 6366215), (60, 5092972), (71, 4303920), (79, 3868080), (80, 3819729), (120, 2546486), (142, 2151960), (158, 1934040), (213, 1434640), (227, 1346160), (237, 1289360), (240, 1273243), (284, 1075980), (316, 967020), (355, 860784), (395, 773616), (426, 717320), (454, 673080), (474, 644680), (568, 537990), (632, 483510), (681, 448720), (710, 430392), (790, 386808), (852, 358660), (908, 336540), (948, 322340), (1065, 286928), (1135, 269232), (1136, 268995), (1185, 257872), (1264, 241755), (1362, 224360), (1420, 215196), (1580, 193404), (1704, 179330), (1816, 168270), (1896, 161170), (2130, 143464), (2270, 134616), (2370, 128936), (2724, 112180), (2840, 107598), (3160, 96702), (3405, 89744), (3408, 89665), (3632, 84135), (3792, 80585), (4260, 71732), (4540, 67308), (4740, 64468), (5448, 56090), (5609, 54480), (5680, 53799), (6320, 48351), (6810, 44872), (8520, 35866), (9080, 33654), (9480, 32234), (10896, 28045), (11218, 27240), (13620, 22436), (16117, 18960), (16827, 18160), (17040, 17933)]