287487720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1384

約数の個数: 192

約数和(自身を含む): 1028401920

約数和(自身を除く): 740914200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 52, 60, 65, 72, 78, 90, 94, 104, 117, 120, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 312, 360, 376, 390, 423, 468, 470, 520, 564, 585, 611, 705, 780, 846, 936, 940, 1128, 1170, 1222, 1307, 1410, 1560, 1692, 1833, 1880, 2115, 2340, 2444, 2614, 2820, 3055, 3384, 3666, 3921, 4230, 4680, 4888, 5228, 5499, 5640, 6110, 6535, 7332, 7842, 8460, 9165, 10456, 10998, 11763, 12220, 13070, 14664, 15684, 16920, 16991, 18330, 19605, 21996, 23526, 24440, 26140, 27495, 31368, 33982, 36660, 39210, 43992, 47052, 50973, 52280, 54990, 58815, 61429, 67964, 73320, 78420, 84955, 94104, 101946, 109980, 117630, 122858, 135928, 152919, 156840, 169910, 184287, 203892, 219960, 235260, 245716, 254865, 305838, 307145, 339820, 368574, 407784, 470520, 491432, 509730, 552861, 611676, 614290, 679640, 737148, 764595, 798577, 921435, 1019460, 1105722, 1223352, 1228580, 1474296, 1529190, 1597154, 1842870, 2038920, 2211444, 2395731, 2457160, 2764305, 3058380, 3194308, 3685740, 3992885, 4422888, 4791462, 5528610, 6116760, 6388616, 7187193, 7371480, 7985770, 9582924, 11057220, 11978655, 14374386, 15971540, 19165848, 22114440, 23957310, 28748772, 31943080, 35935965, 47914620, 57497544, 71871930, 95829240, 143743860, 287487720]

約数ペア:

[(1, 287487720), (2, 143743860), (3, 95829240), (4, 71871930), (5, 57497544), (6, 47914620), (8, 35935965), (9, 31943080), (10, 28748772), (12, 23957310), (13, 22114440), (15, 19165848), (18, 15971540), (20, 14374386), (24, 11978655), (26, 11057220), (30, 9582924), (36, 7985770), (39, 7371480), (40, 7187193), (45, 6388616), (47, 6116760), (52, 5528610), (60, 4791462), (65, 4422888), (72, 3992885), (78, 3685740), (90, 3194308), (94, 3058380), (104, 2764305), (117, 2457160), (120, 2395731), (130, 2211444), (141, 2038920), (156, 1842870), (180, 1597154), (188, 1529190), (195, 1474296), (234, 1228580), (235, 1223352), (260, 1105722), (282, 1019460), (312, 921435), (360, 798577), (376, 764595), (390, 737148), (423, 679640), (468, 614290), (470, 611676), (520, 552861), (564, 509730), (585, 491432), (611, 470520), (705, 407784), (780, 368574), (846, 339820), (936, 307145), (940, 305838), (1128, 254865), (1170, 245716), (1222, 235260), (1307, 219960), (1410, 203892), (1560, 184287), (1692, 169910), (1833, 156840), (1880, 152919), (2115, 135928), (2340, 122858), (2444, 117630), (2614, 109980), (2820, 101946), (3055, 94104), (3384, 84955), (3666, 78420), (3921, 73320), (4230, 67964), (4680, 61429), (4888, 58815), (5228, 54990), (5499, 52280), (5640, 50973), (6110, 47052), (6535, 43992), (7332, 39210), (7842, 36660), (8460, 33982), (9165, 31368), (10456, 27495), (10998, 26140), (11763, 24440), (12220, 23526), (13070, 21996), (14664, 19605), (15684, 18330), (16920, 16991)]