280525980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 940262400

約数和(自身を除く): 659736420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 317, 343, 420, 430, 490, 516, 588, 602, 634, 645, 686, 735, 860, 903, 951, 980, 1029, 1204, 1268, 1290, 1372, 1470, 1505, 1585, 1715, 1806, 1902, 2058, 2107, 2219, 2580, 2940, 3010, 3170, 3430, 3612, 3804, 4116, 4214, 4438, 4515, 4755, 5145, 6020, 6321, 6340, 6657, 6860, 8428, 8876, 9030, 9510, 10290, 10535, 11095, 12642, 13314, 13631, 14749, 15533, 18060, 19020, 20580, 21070, 22190, 25284, 26628, 27262, 29498, 31066, 31605, 33285, 40893, 42140, 44247, 44380, 46599, 54524, 58996, 62132, 63210, 66570, 68155, 73745, 77665, 81786, 88494, 93198, 95417, 108731, 126420, 133140, 136310, 147490, 155330, 163572, 176988, 186396, 190834, 204465, 217462, 221235, 232995, 272620, 286251, 294980, 310660, 326193, 381668, 408930, 434924, 442470, 465990, 477085, 543655, 572502, 652386, 667919, 817860, 884940, 931980, 954170, 1087310, 1145004, 1304772, 1335838, 1431255, 1630965, 1908340, 2003757, 2174620, 2671676, 2862510, 3261930, 3339595, 4007514, 4675433, 5725020, 6523860, 6679190, 8015028, 9350866, 10018785, 13358380, 14026299, 18701732, 20037570, 23377165, 28052598, 40075140, 46754330, 56105196, 70131495, 93508660, 140262990, 280525980]

約数ペア:

[(1, 280525980), (2, 140262990), (3, 93508660), (4, 70131495), (5, 56105196), (6, 46754330), (7, 40075140), (10, 28052598), (12, 23377165), (14, 20037570), (15, 18701732), (20, 14026299), (21, 13358380), (28, 10018785), (30, 9350866), (35, 8015028), (42, 6679190), (43, 6523860), (49, 5725020), (60, 4675433), (70, 4007514), (84, 3339595), (86, 3261930), (98, 2862510), (105, 2671676), (129, 2174620), (140, 2003757), (147, 1908340), (172, 1630965), (196, 1431255), (210, 1335838), (215, 1304772), (245, 1145004), (258, 1087310), (294, 954170), (301, 931980), (317, 884940), (343, 817860), (420, 667919), (430, 652386), (490, 572502), (516, 543655), (588, 477085), (602, 465990), (634, 442470), (645, 434924), (686, 408930), (735, 381668), (860, 326193), (903, 310660), (951, 294980), (980, 286251), (1029, 272620), (1204, 232995), (1268, 221235), (1290, 217462), (1372, 204465), (1470, 190834), (1505, 186396), (1585, 176988), (1715, 163572), (1806, 155330), (1902, 147490), (2058, 136310), (2107, 133140), (2219, 126420), (2580, 108731), (2940, 95417), (3010, 93198), (3170, 88494), (3430, 81786), (3612, 77665), (3804, 73745), (4116, 68155), (4214, 66570), (4438, 63210), (4515, 62132), (4755, 58996), (5145, 54524), (6020, 46599), (6321, 44380), (6340, 44247), (6657, 42140), (6860, 40893), (8428, 33285), (8876, 31605), (9030, 31066), (9510, 29498), (10290, 27262), (10535, 26628), (11095, 25284), (12642, 22190), (13314, 21070), (13631, 20580), (14749, 19020), (15533, 18060)]