642220810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 1490047488

約数和(自身を除く): 847826678

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 113, 121, 122, 154, 226, 242, 305, 385, 427, 565, 605, 610, 671, 770, 791, 847, 854, 1130, 1210, 1243, 1331, 1342, 1582, 1694, 2135, 2486, 2662, 3355, 3955, 4235, 4270, 4697, 6215, 6655, 6710, 6893, 7381, 7910, 8470, 8701, 9317, 9394, 12430, 13310, 13673, 13786, 14762, 17402, 18634, 23485, 27346, 34465, 36905, 43505, 46585, 46970, 48251, 51667, 68365, 68930, 73810, 75823, 81191, 87010, 93170, 95711, 96502, 103334, 136730, 150403, 151646, 162382, 191422, 241255, 258335, 300806, 379115, 405955, 478555, 482510, 516670, 530761, 568337, 752015, 758230, 811910, 834053, 957110, 1052821, 1061522, 1136674, 1504030, 1668106, 2105642, 2653805, 2841685, 4170265, 5264105, 5307610, 5683370, 5838371, 8340530, 9174583, 10528210, 11676742, 18349166, 29191855, 45872915, 58383710, 64222081, 91745830, 128444162, 321110405, 642220810]

約数ペア:

[(1, 642220810), (2, 321110405), (5, 128444162), (7, 91745830), (10, 64222081), (11, 58383710), (14, 45872915), (22, 29191855), (35, 18349166), (55, 11676742), (61, 10528210), (70, 9174583), (77, 8340530), (110, 5838371), (113, 5683370), (121, 5307610), (122, 5264105), (154, 4170265), (226, 2841685), (242, 2653805), (305, 2105642), (385, 1668106), (427, 1504030), (565, 1136674), (605, 1061522), (610, 1052821), (671, 957110), (770, 834053), (791, 811910), (847, 758230), (854, 752015), (1130, 568337), (1210, 530761), (1243, 516670), (1331, 482510), (1342, 478555), (1582, 405955), (1694, 379115), (2135, 300806), (2486, 258335), (2662, 241255), (3355, 191422), (3955, 162382), (4235, 151646), (4270, 150403), (4697, 136730), (6215, 103334), (6655, 96502), (6710, 95711), (6893, 93170), (7381, 87010), (7910, 81191), (8470, 75823), (8701, 73810), (9317, 68930), (9394, 68365), (12430, 51667), (13310, 48251), (13673, 46970), (13786, 46585), (14762, 43505), (17402, 36905), (18634, 34465), (23485, 27346)]