31285680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2214

約数の個数: 80

約数和(自身を含む): 98621664

約数和(自身を除く): 67335984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2137, 2440, 2928, 3660, 4274, 4880, 6411, 7320, 8548, 10685, 12822, 14640, 17096, 21370, 25644, 32055, 34192, 42740, 51288, 64110, 85480, 102576, 128220, 130357, 170960, 256440, 260714, 391071, 512880, 521428, 651785, 782142, 1042856, 1303570, 1564284, 1955355, 2085712, 2607140, 3128568, 3910710, 5214280, 6257136, 7821420, 10428560, 15642840, 31285680]

約数ペア:

[(1, 31285680), (2, 15642840), (3, 10428560), (4, 7821420), (5, 6257136), (6, 5214280), (8, 3910710), (10, 3128568), (12, 2607140), (15, 2085712), (16, 1955355), (20, 1564284), (24, 1303570), (30, 1042856), (40, 782142), (48, 651785), (60, 521428), (61, 512880), (80, 391071), (120, 260714), (122, 256440), (183, 170960), (240, 130357), (244, 128220), (305, 102576), (366, 85480), (488, 64110), (610, 51288), (732, 42740), (915, 34192), (976, 32055), (1220, 25644), (1464, 21370), (1830, 17096), (2137, 14640), (2440, 12822), (2928, 10685), (3660, 8548), (4274, 7320), (4880, 6411)]