208437840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 240

約数和(自身を含む): 778789440

約数和(自身を除く): 570351600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 432, 468, 507, 520, 540, 571, 585, 624, 676, 702, 720, 780, 845, 936, 1014, 1040, 1080, 1142, 1170, 1352, 1404, 1521, 1560, 1690, 1713, 1755, 1872, 2028, 2160, 2284, 2340, 2535, 2704, 2808, 2855, 3042, 3120, 3380, 3426, 3510, 4056, 4563, 4568, 4680, 5070, 5139, 5616, 5710, 6084, 6760, 6852, 7020, 7423, 7605, 8112, 8565, 9126, 9136, 9360, 10140, 10278, 11420, 12168, 13520, 13704, 14040, 14846, 15210, 15417, 17130, 18252, 20280, 20556, 22269, 22815, 22840, 24336, 25695, 27408, 28080, 29692, 30420, 30834, 34260, 36504, 37115, 40560, 41112, 44538, 45630, 45680, 51390, 59384, 60840, 61668, 66807, 68520, 73008, 74230, 77085, 82224, 89076, 91260, 96499, 102780, 111345, 118768, 121680, 123336, 133614, 137040, 148460, 154170, 178152, 182520, 192998, 200421, 205560, 222690, 246672, 267228, 289497, 296920, 308340, 334035, 356304, 365040, 385996, 400842, 411120, 445380, 482495, 534456, 578994, 593840, 616680, 668070, 771992, 801684, 868491, 890760, 964990, 1002105, 1068912, 1157988, 1233360, 1336140, 1447485, 1543984, 1603368, 1736982, 1781520, 1929980, 2004210, 2315976, 2605473, 2672280, 2894970, 3206736, 3473964, 3859960, 4008420, 4342455, 4631952, 5210946, 5344560, 5789940, 6947928, 7719920, 8016840, 8684910, 10421892, 11579880, 13027365, 13895856, 16033680, 17369820, 20843784, 23159760, 26054730, 34739640, 41687568, 52109460, 69479280, 104218920, 208437840]

約数ペア:

[(1, 208437840), (2, 104218920), (3, 69479280), (4, 52109460), (5, 41687568), (6, 34739640), (8, 26054730), (9, 23159760), (10, 20843784), (12, 17369820), (13, 16033680), (15, 13895856), (16, 13027365), (18, 11579880), (20, 10421892), (24, 8684910), (26, 8016840), (27, 7719920), (30, 6947928), (36, 5789940), (39, 5344560), (40, 5210946), (45, 4631952), (48, 4342455), (52, 4008420), (54, 3859960), (60, 3473964), (65, 3206736), (72, 2894970), (78, 2672280), (80, 2605473), (90, 2315976), (104, 2004210), (108, 1929980), (117, 1781520), (120, 1736982), (130, 1603368), (135, 1543984), (144, 1447485), (156, 1336140), (169, 1233360), (180, 1157988), (195, 1068912), (208, 1002105), (216, 964990), (234, 890760), (240, 868491), (260, 801684), (270, 771992), (312, 668070), (338, 616680), (351, 593840), (360, 578994), (390, 534456), (432, 482495), (468, 445380), (507, 411120), (520, 400842), (540, 385996), (571, 365040), (585, 356304), (624, 334035), (676, 308340), (702, 296920), (720, 289497), (780, 267228), (845, 246672), (936, 222690), (1014, 205560), (1040, 200421), (1080, 192998), (1142, 182520), (1170, 178152), (1352, 154170), (1404, 148460), (1521, 137040), (1560, 133614), (1690, 123336), (1713, 121680), (1755, 118768), (1872, 111345), (2028, 102780), (2160, 96499), (2284, 91260), (2340, 89076), (2535, 82224), (2704, 77085), (2808, 74230), (2855, 73008), (3042, 68520), (3120, 66807), (3380, 61668), (3426, 60840), (3510, 59384), (4056, 51390), (4563, 45680), (4568, 45630), (4680, 44538), (5070, 41112), (5139, 40560), (5616, 37115), (5710, 36504), (6084, 34260), (6760, 30834), (6852, 30420), (7020, 29692), (7423, 28080), (7605, 27408), (8112, 25695), (8565, 24336), (9126, 22840), (9136, 22815), (9360, 22269), (10140, 20556), (10278, 20280), (11420, 18252), (12168, 17130), (13520, 15417), (13704, 15210), (14040, 14846)]