81398460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 192938820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 53, 55, 60, 65, 66, 78, 106, 110, 130, 132, 143, 156, 159, 165, 179, 195, 212, 220, 260, 265, 286, 318, 330, 358, 390, 429, 530, 537, 572, 583, 636, 660, 689, 715, 716, 780, 795, 858, 895, 1060, 1074, 1166, 1378, 1430, 1590, 1716, 1749, 1790, 1969, 2067, 2145, 2148, 2327, 2332, 2685, 2756, 2860, 2915, 3180, 3445, 3498, 3580, 3938, 4134, 4290, 4654, 5370, 5830, 5907, 6890, 6981, 6996, 7579, 7876, 8268, 8580, 8745, 9308, 9487, 9845, 10335, 10740, 11635, 11660, 11814, 13780, 13962, 15158, 17490, 18974, 19690, 20670, 22737, 23270, 23628, 25597, 27924, 28461, 29535, 30316, 34905, 34980, 37895, 37948, 39380, 41340, 45474, 46540, 47435, 51194, 56922, 59070, 69810, 75790, 76791, 90948, 94870, 102388, 104357, 113685, 113844, 118140, 123331, 127985, 139620, 142305, 151580, 153582, 189740, 208714, 227370, 246662, 255970, 284610, 307164, 313071, 369993, 383955, 417428, 454740, 493324, 511940, 521785, 569220, 616655, 626142, 739986, 767910, 1043570, 1233310, 1252284, 1356641, 1479972, 1535820, 1565355, 1849965, 2087140, 2466620, 2713282, 3130710, 3699930, 4069923, 5426564, 6261420, 6783205, 7399860, 8139846, 13566410, 16279692, 20349615, 27132820, 40699230, 81398460]

約数ペア:

[(1, 81398460), (2, 40699230), (3, 27132820), (4, 20349615), (5, 16279692), (6, 13566410), (10, 8139846), (11, 7399860), (12, 6783205), (13, 6261420), (15, 5426564), (20, 4069923), (22, 3699930), (26, 3130710), (30, 2713282), (33, 2466620), (39, 2087140), (44, 1849965), (52, 1565355), (53, 1535820), (55, 1479972), (60, 1356641), (65, 1252284), (66, 1233310), (78, 1043570), (106, 767910), (110, 739986), (130, 626142), (132, 616655), (143, 569220), (156, 521785), (159, 511940), (165, 493324), (179, 454740), (195, 417428), (212, 383955), (220, 369993), (260, 313071), (265, 307164), (286, 284610), (318, 255970), (330, 246662), (358, 227370), (390, 208714), (429, 189740), (530, 153582), (537, 151580), (572, 142305), (583, 139620), (636, 127985), (660, 123331), (689, 118140), (715, 113844), (716, 113685), (780, 104357), (795, 102388), (858, 94870), (895, 90948), (1060, 76791), (1074, 75790), (1166, 69810), (1378, 59070), (1430, 56922), (1590, 51194), (1716, 47435), (1749, 46540), (1790, 45474), (1969, 41340), (2067, 39380), (2145, 37948), (2148, 37895), (2327, 34980), (2332, 34905), (2685, 30316), (2756, 29535), (2860, 28461), (2915, 27924), (3180, 25597), (3445, 23628), (3498, 23270), (3580, 22737), (3938, 20670), (4134, 19690), (4290, 18974), (4654, 17490), (5370, 15158), (5830, 13962), (5907, 13780), (6890, 11814), (6981, 11660), (6996, 11635), (7579, 10740), (7876, 10335), (8268, 9845), (8580, 9487), (8745, 9308)]