220132920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{521}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 757693440

約数和(自身を除く): 537560520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 503, 521, 840, 1006, 1042, 1509, 1563, 2012, 2084, 2515, 2605, 3018, 3126, 3521, 3647, 4024, 4168, 5030, 5210, 6036, 6252, 7042, 7294, 7545, 7815, 10060, 10420, 10563, 10941, 12072, 12504, 14084, 14588, 15090, 15630, 17605, 18235, 20120, 20840, 21126, 21882, 28168, 29176, 30180, 31260, 35210, 36470, 42252, 43764, 52815, 54705, 60360, 62520, 70420, 72940, 84504, 87528, 105630, 109410, 140840, 145880, 211260, 218820, 262063, 422520, 437640, 524126, 786189, 1048252, 1310315, 1572378, 1834441, 2096504, 2620630, 3144756, 3668882, 3930945, 5241260, 5503323, 6289512, 7337764, 7861890, 9172205, 10482520, 11006646, 14675528, 15723780, 18344410, 22013292, 27516615, 31447560, 36688820, 44026584, 55033230, 73377640, 110066460, 220132920]

約数ペア:

[(1, 220132920), (2, 110066460), (3, 73377640), (4, 55033230), (5, 44026584), (6, 36688820), (7, 31447560), (8, 27516615), (10, 22013292), (12, 18344410), (14, 15723780), (15, 14675528), (20, 11006646), (21, 10482520), (24, 9172205), (28, 7861890), (30, 7337764), (35, 6289512), (40, 5503323), (42, 5241260), (56, 3930945), (60, 3668882), (70, 3144756), (84, 2620630), (105, 2096504), (120, 1834441), (140, 1572378), (168, 1310315), (210, 1048252), (280, 786189), (420, 524126), (503, 437640), (521, 422520), (840, 262063), (1006, 218820), (1042, 211260), (1509, 145880), (1563, 140840), (2012, 109410), (2084, 105630), (2515, 87528), (2605, 84504), (3018, 72940), (3126, 70420), (3521, 62520), (3647, 60360), (4024, 54705), (4168, 52815), (5030, 43764), (5210, 42252), (6036, 36470), (6252, 35210), (7042, 31260), (7294, 30180), (7545, 29176), (7815, 28168), (10060, 21882), (10420, 21126), (10563, 20840), (10941, 20120), (12072, 18235), (12504, 17605), (14084, 15630), (14588, 15090)]