641877829020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115031869}}^1$

素因数の和:115031915

約数の個数: 72

約数和(自身を含む): 2009836832640

約数和(自身を除く): 1367959003620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 115031869, 230063738, 345095607, 460127476, 575159345, 690191214, 1035286821, 1150318690, 1380382428, 1725478035, 2070573642, 2300637380, 3450956070, 3565987939, 4141147284, 5176434105, 6901912140, 7131975878, 10352868210, 10697963817, 14263951756, 17829939695, 20705736420, 21395927634, 32093891451, 35659879390, 42791855268, 53489819085, 64187782902, 71319758780, 106979638170, 128375565804, 160469457255, 213959276340, 320938914510, 641877829020]

約数ペア:

[(1, 641877829020), (2, 320938914510), (3, 213959276340), (4, 160469457255), (5, 128375565804), (6, 106979638170), (9, 71319758780), (10, 64187782902), (12, 53489819085), (15, 42791855268), (18, 35659879390), (20, 32093891451), (30, 21395927634), (31, 20705736420), (36, 17829939695), (45, 14263951756), (60, 10697963817), (62, 10352868210), (90, 7131975878), (93, 6901912140), (124, 5176434105), (155, 4141147284), (180, 3565987939), (186, 3450956070), (279, 2300637380), (310, 2070573642), (372, 1725478035), (465, 1380382428), (558, 1150318690), (620, 1035286821), (930, 690191214), (1116, 575159345), (1395, 460127476), (1860, 345095607), (2790, 230063738), (5580, 115031869)]