1208646280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 2954880000

約数和(自身を除く): 1746233720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 149, 151, 158, 170, 298, 302, 316, 340, 395, 596, 604, 632, 680, 745, 755, 790, 1192, 1208, 1343, 1490, 1510, 1580, 2533, 2567, 2686, 2980, 3020, 3160, 5066, 5134, 5372, 5960, 6040, 6715, 10132, 10268, 10744, 11771, 11929, 12665, 12835, 13430, 20264, 20536, 22499, 23542, 23858, 25330, 25670, 26860, 44998, 47084, 47716, 50660, 51340, 53720, 58855, 59645, 89996, 94168, 95432, 101320, 102680, 112495, 117710, 119290, 179992, 200107, 202793, 224990, 235420, 238580, 382483, 400214, 405586, 449980, 470840, 477160, 764966, 800428, 811172, 899960, 1000535, 1013965, 1529932, 1600856, 1622344, 1777421, 1912415, 2001070, 2027930, 3059864, 3554842, 3824830, 4002140, 4055860, 7109684, 7649660, 8004280, 8111720, 8887105, 14219368, 15299320, 17774210, 30216157, 35548420, 60432314, 71096840, 120864628, 151080785, 241729256, 302161570, 604323140, 1208646280]

約数ペア:

[(1, 1208646280), (2, 604323140), (4, 302161570), (5, 241729256), (8, 151080785), (10, 120864628), (17, 71096840), (20, 60432314), (34, 35548420), (40, 30216157), (68, 17774210), (79, 15299320), (85, 14219368), (136, 8887105), (149, 8111720), (151, 8004280), (158, 7649660), (170, 7109684), (298, 4055860), (302, 4002140), (316, 3824830), (340, 3554842), (395, 3059864), (596, 2027930), (604, 2001070), (632, 1912415), (680, 1777421), (745, 1622344), (755, 1600856), (790, 1529932), (1192, 1013965), (1208, 1000535), (1343, 899960), (1490, 811172), (1510, 800428), (1580, 764966), (2533, 477160), (2567, 470840), (2686, 449980), (2980, 405586), (3020, 400214), (3160, 382483), (5066, 238580), (5134, 235420), (5372, 224990), (5960, 202793), (6040, 200107), (6715, 179992), (10132, 119290), (10268, 117710), (10744, 112495), (11771, 102680), (11929, 101320), (12665, 95432), (12835, 94168), (13430, 89996), (20264, 59645), (20536, 58855), (22499, 53720), (23542, 51340), (23858, 50660), (25330, 47716), (25670, 47084), (26860, 44998)]