253893720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 793774080

約数和(自身を除く): 539880360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 131, 155, 186, 248, 262, 310, 372, 393, 465, 521, 524, 620, 655, 744, 786, 930, 1042, 1048, 1240, 1310, 1563, 1572, 1860, 1965, 2084, 2605, 2620, 3126, 3144, 3720, 3930, 4061, 4168, 5210, 5240, 6252, 7815, 7860, 8122, 10420, 12183, 12504, 15630, 15720, 16151, 16244, 20305, 20840, 24366, 31260, 32302, 32488, 40610, 48453, 48732, 60915, 62520, 64604, 68251, 80755, 81220, 96906, 97464, 121830, 129208, 136502, 161510, 162440, 193812, 204753, 242265, 243660, 273004, 323020, 341255, 387624, 409506, 484530, 487320, 546008, 646040, 682510, 819012, 969060, 1023765, 1365020, 1638024, 1938120, 2047530, 2115781, 2730040, 4095060, 4231562, 6347343, 8190120, 8463124, 10578905, 12694686, 16926248, 21157810, 25389372, 31736715, 42315620, 50778744, 63473430, 84631240, 126946860, 253893720]

約数ペア:

[(1, 253893720), (2, 126946860), (3, 84631240), (4, 63473430), (5, 50778744), (6, 42315620), (8, 31736715), (10, 25389372), (12, 21157810), (15, 16926248), (20, 12694686), (24, 10578905), (30, 8463124), (31, 8190120), (40, 6347343), (60, 4231562), (62, 4095060), (93, 2730040), (120, 2115781), (124, 2047530), (131, 1938120), (155, 1638024), (186, 1365020), (248, 1023765), (262, 969060), (310, 819012), (372, 682510), (393, 646040), (465, 546008), (521, 487320), (524, 484530), (620, 409506), (655, 387624), (744, 341255), (786, 323020), (930, 273004), (1042, 243660), (1048, 242265), (1240, 204753), (1310, 193812), (1563, 162440), (1572, 161510), (1860, 136502), (1965, 129208), (2084, 121830), (2605, 97464), (2620, 96906), (3126, 81220), (3144, 80755), (3720, 68251), (3930, 64604), (4061, 62520), (4168, 60915), (5210, 48732), (5240, 48453), (6252, 40610), (7815, 32488), (7860, 32302), (8122, 31260), (10420, 24366), (12183, 20840), (12504, 20305), (15630, 16244), (15720, 16151)]