613447640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 1530144000

約数和(自身を除く): 916696360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 109, 130, 137, 158, 218, 260, 274, 316, 395, 436, 520, 545, 548, 632, 685, 790, 872, 1027, 1090, 1096, 1370, 1417, 1580, 1781, 2054, 2180, 2740, 2834, 3160, 3562, 4108, 4360, 5135, 5480, 5668, 7085, 7124, 8216, 8611, 8905, 10270, 10823, 11336, 14170, 14248, 14933, 17222, 17810, 20540, 21646, 28340, 29866, 34444, 35620, 41080, 43055, 43292, 54115, 56680, 59732, 68888, 71240, 74665, 86110, 86584, 108230, 111943, 119464, 140699, 149330, 172220, 194129, 216460, 223886, 281398, 298660, 344440, 388258, 432920, 447772, 559715, 562796, 597320, 703495, 776516, 895544, 970645, 1119430, 1125592, 1179707, 1406990, 1553032, 1941290, 2238860, 2359414, 2813980, 3882580, 4477720, 4718828, 5627960, 5898535, 7765160, 9437656, 11797070, 15336191, 23594140, 30672382, 47188280, 61344764, 76680955, 122689528, 153361910, 306723820, 613447640]

約数ペア:

[(1, 613447640), (2, 306723820), (4, 153361910), (5, 122689528), (8, 76680955), (10, 61344764), (13, 47188280), (20, 30672382), (26, 23594140), (40, 15336191), (52, 11797070), (65, 9437656), (79, 7765160), (104, 5898535), (109, 5627960), (130, 4718828), (137, 4477720), (158, 3882580), (218, 2813980), (260, 2359414), (274, 2238860), (316, 1941290), (395, 1553032), (436, 1406990), (520, 1179707), (545, 1125592), (548, 1119430), (632, 970645), (685, 895544), (790, 776516), (872, 703495), (1027, 597320), (1090, 562796), (1096, 559715), (1370, 447772), (1417, 432920), (1580, 388258), (1781, 344440), (2054, 298660), (2180, 281398), (2740, 223886), (2834, 216460), (3160, 194129), (3562, 172220), (4108, 149330), (4360, 140699), (5135, 119464), (5480, 111943), (5668, 108230), (7085, 86584), (7124, 86110), (8216, 74665), (8611, 71240), (8905, 68888), (10270, 59732), (10823, 56680), (11336, 54115), (14170, 43292), (14248, 43055), (14933, 41080), (17222, 35620), (17810, 34444), (20540, 29866), (21646, 28340)]