647741520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12671}}^1$

素因数の和:12761

約数の個数: 120

約数和(自身を含む): 2206144512

約数和(自身を除く): 1558402992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12671, 12780, 17040, 25342, 25560, 38013, 50684, 51120, 63355, 76026, 101368, 114039, 126710, 152052, 190065, 202736, 228078, 253420, 304104, 380130, 456156, 506840, 570195, 608208, 760260, 899641, 912312, 1013680, 1140390, 1520520, 1799282, 1824624, 2280780, 2698923, 3041040, 3598564, 4498205, 4561560, 5397846, 7197128, 8096769, 8996410, 9123120, 10795692, 13494615, 14394256, 16193538, 17992820, 21591384, 26989230, 32387076, 35985640, 40483845, 43182768, 53978460, 64774152, 71971280, 80967690, 107956920, 129548304, 161935380, 215913840, 323870760, 647741520]

約数ペア:

[(1, 647741520), (2, 323870760), (3, 215913840), (4, 161935380), (5, 129548304), (6, 107956920), (8, 80967690), (9, 71971280), (10, 64774152), (12, 53978460), (15, 43182768), (16, 40483845), (18, 35985640), (20, 32387076), (24, 26989230), (30, 21591384), (36, 17992820), (40, 16193538), (45, 14394256), (48, 13494615), (60, 10795692), (71, 9123120), (72, 8996410), (80, 8096769), (90, 7197128), (120, 5397846), (142, 4561560), (144, 4498205), (180, 3598564), (213, 3041040), (240, 2698923), (284, 2280780), (355, 1824624), (360, 1799282), (426, 1520520), (568, 1140390), (639, 1013680), (710, 912312), (720, 899641), (852, 760260), (1065, 608208), (1136, 570195), (1278, 506840), (1420, 456156), (1704, 380130), (2130, 304104), (2556, 253420), (2840, 228078), (3195, 202736), (3408, 190065), (4260, 152052), (5112, 126710), (5680, 114039), (6390, 101368), (8520, 76026), (10224, 63355), (12671, 51120), (12780, 50684), (17040, 38013), (25342, 25560)]