61615260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 216652800

約数和(自身を除く): 155037540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 619, 630, 711, 790, 948, 1106, 1185, 1238, 1260, 1422, 1580, 1659, 1857, 2212, 2370, 2476, 2765, 2844, 3095, 3318, 3555, 3714, 4333, 4740, 4977, 5530, 5571, 6190, 6636, 7110, 7428, 8295, 8666, 9285, 9954, 11060, 11142, 12380, 12999, 14220, 16590, 17332, 18570, 19908, 21665, 22284, 24885, 25998, 27855, 33180, 37140, 38997, 43330, 48901, 49770, 51996, 55710, 64995, 77994, 86660, 97802, 99540, 111420, 129990, 146703, 155988, 194985, 195604, 244505, 259980, 293406, 342307, 389970, 440109, 489010, 586812, 684614, 733515, 779940, 880218, 978020, 1026921, 1369228, 1467030, 1711535, 1760436, 2053842, 2200545, 2934060, 3080763, 3423070, 4107684, 4401090, 5134605, 6161526, 6846140, 8802180, 10269210, 12323052, 15403815, 20538420, 30807630, 61615260]

約数ペア:

[(1, 61615260), (2, 30807630), (3, 20538420), (4, 15403815), (5, 12323052), (6, 10269210), (7, 8802180), (9, 6846140), (10, 6161526), (12, 5134605), (14, 4401090), (15, 4107684), (18, 3423070), (20, 3080763), (21, 2934060), (28, 2200545), (30, 2053842), (35, 1760436), (36, 1711535), (42, 1467030), (45, 1369228), (60, 1026921), (63, 978020), (70, 880218), (79, 779940), (84, 733515), (90, 684614), (105, 586812), (126, 489010), (140, 440109), (158, 389970), (180, 342307), (210, 293406), (237, 259980), (252, 244505), (315, 195604), (316, 194985), (395, 155988), (420, 146703), (474, 129990), (553, 111420), (619, 99540), (630, 97802), (711, 86660), (790, 77994), (948, 64995), (1106, 55710), (1185, 51996), (1238, 49770), (1260, 48901), (1422, 43330), (1580, 38997), (1659, 37140), (1857, 33180), (2212, 27855), (2370, 25998), (2476, 24885), (2765, 22284), (2844, 21665), (3095, 19908), (3318, 18570), (3555, 17332), (3714, 16590), (4333, 14220), (4740, 12999), (4977, 12380), (5530, 11142), (5571, 11060), (6190, 9954), (6636, 9285), (7110, 8666), (7428, 8295)]