15394940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 38707200

約数和(自身を除く): 23312260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 127, 145, 190, 209, 220, 254, 290, 319, 380, 418, 508, 551, 580, 635, 638, 836, 1045, 1102, 1270, 1276, 1397, 1595, 2090, 2204, 2413, 2540, 2755, 2794, 3190, 3683, 4180, 4826, 5510, 5588, 6061, 6380, 6985, 7366, 9652, 11020, 12065, 12122, 13970, 14732, 18415, 24130, 24244, 26543, 27940, 30305, 36830, 40513, 48260, 53086, 60610, 69977, 73660, 81026, 106172, 121220, 132715, 139954, 162052, 202565, 265430, 279908, 349885, 405130, 530860, 699770, 769747, 810260, 1399540, 1539494, 3078988, 3848735, 7697470, 15394940]

約数ペア:

[(1, 15394940), (2, 7697470), (4, 3848735), (5, 3078988), (10, 1539494), (11, 1399540), (19, 810260), (20, 769747), (22, 699770), (29, 530860), (38, 405130), (44, 349885), (55, 279908), (58, 265430), (76, 202565), (95, 162052), (110, 139954), (116, 132715), (127, 121220), (145, 106172), (190, 81026), (209, 73660), (220, 69977), (254, 60610), (290, 53086), (319, 48260), (380, 40513), (418, 36830), (508, 30305), (551, 27940), (580, 26543), (635, 24244), (638, 24130), (836, 18415), (1045, 14732), (1102, 13970), (1270, 12122), (1276, 12065), (1397, 11020), (1595, 9652), (2090, 7366), (2204, 6985), (2413, 6380), (2540, 6061), (2755, 5588), (2794, 5510), (3190, 4826), (3683, 4180)]