61207020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1620

約数の個数: 144

約数和(自身を含む): 219168768

約数和(自身を除く): 157961748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1567, 1860, 1953, 2170, 2604, 2790, 3134, 3255, 3906, 4340, 4701, 5580, 6268, 6510, 7812, 7835, 9402, 9765, 10969, 13020, 14103, 15670, 18804, 19530, 21938, 23505, 28206, 31340, 32907, 39060, 43876, 47010, 48577, 54845, 56412, 65814, 70515, 94020, 97154, 98721, 109690, 131628, 141030, 145731, 164535, 194308, 197442, 219380, 242885, 282060, 291462, 329070, 340039, 394884, 437193, 485770, 493605, 582924, 658140, 680078, 728655, 874386, 971540, 987210, 1020117, 1360156, 1457310, 1700195, 1748772, 1974420, 2040234, 2185965, 2914620, 3060351, 3400390, 4080468, 4371930, 5100585, 6120702, 6800780, 8743860, 10201170, 12241404, 15301755, 20402340, 30603510, 61207020]

約数ペア:

[(1, 61207020), (2, 30603510), (3, 20402340), (4, 15301755), (5, 12241404), (6, 10201170), (7, 8743860), (9, 6800780), (10, 6120702), (12, 5100585), (14, 4371930), (15, 4080468), (18, 3400390), (20, 3060351), (21, 2914620), (28, 2185965), (30, 2040234), (31, 1974420), (35, 1748772), (36, 1700195), (42, 1457310), (45, 1360156), (60, 1020117), (62, 987210), (63, 971540), (70, 874386), (84, 728655), (90, 680078), (93, 658140), (105, 582924), (124, 493605), (126, 485770), (140, 437193), (155, 394884), (180, 340039), (186, 329070), (210, 291462), (217, 282060), (252, 242885), (279, 219380), (310, 197442), (315, 194308), (372, 164535), (420, 145731), (434, 141030), (465, 131628), (558, 109690), (620, 98721), (630, 97154), (651, 94020), (868, 70515), (930, 65814), (1085, 56412), (1116, 54845), (1260, 48577), (1302, 47010), (1395, 43876), (1567, 39060), (1860, 32907), (1953, 31340), (2170, 28206), (2604, 23505), (2790, 21938), (3134, 19530), (3255, 18804), (3906, 15670), (4340, 14103), (4701, 13020), (5580, 10969), (6268, 9765), (6510, 9402), (7812, 7835)]