245435580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2060

約数の個数: 144

約数和(自身を含む): 817296480

約数和(自身を除く): 571860900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 780, 795, 954, 1060, 1170, 1378, 1590, 1908, 1979, 2067, 2340, 2385, 2756, 3180, 3445, 3958, 4134, 4770, 5937, 6201, 6890, 7916, 8268, 9540, 9895, 10335, 11874, 12402, 13780, 17811, 19790, 20670, 23748, 24804, 25727, 29685, 31005, 35622, 39580, 41340, 51454, 59370, 62010, 71244, 77181, 89055, 102908, 104887, 118740, 124020, 128635, 154362, 178110, 209774, 231543, 257270, 308724, 314661, 356220, 385905, 419548, 463086, 514540, 524435, 629322, 771810, 926172, 943983, 1048870, 1157715, 1258644, 1363531, 1543620, 1573305, 1887966, 2097740, 2315430, 2727062, 3146610, 3775932, 4090593, 4630860, 4719915, 5454124, 6293220, 6817655, 8181186, 9439830, 12271779, 13635310, 16362372, 18879660, 20452965, 24543558, 27270620, 40905930, 49087116, 61358895, 81811860, 122717790, 245435580]

約数ペア:

[(1, 245435580), (2, 122717790), (3, 81811860), (4, 61358895), (5, 49087116), (6, 40905930), (9, 27270620), (10, 24543558), (12, 20452965), (13, 18879660), (15, 16362372), (18, 13635310), (20, 12271779), (26, 9439830), (30, 8181186), (36, 6817655), (39, 6293220), (45, 5454124), (52, 4719915), (53, 4630860), (60, 4090593), (65, 3775932), (78, 3146610), (90, 2727062), (106, 2315430), (117, 2097740), (130, 1887966), (156, 1573305), (159, 1543620), (180, 1363531), (195, 1258644), (212, 1157715), (234, 1048870), (260, 943983), (265, 926172), (318, 771810), (390, 629322), (468, 524435), (477, 514540), (530, 463086), (585, 419548), (636, 385905), (689, 356220), (780, 314661), (795, 308724), (954, 257270), (1060, 231543), (1170, 209774), (1378, 178110), (1590, 154362), (1908, 128635), (1979, 124020), (2067, 118740), (2340, 104887), (2385, 102908), (2756, 89055), (3180, 77181), (3445, 71244), (3958, 62010), (4134, 59370), (4770, 51454), (5937, 41340), (6201, 39580), (6890, 35622), (7916, 31005), (8268, 29685), (9540, 25727), (9895, 24804), (10335, 23748), (11874, 20670), (12402, 19790), (13780, 17811)]