31761080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 77837760

約数和(自身を除く): 46076680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 593, 824, 1030, 1186, 1339, 2060, 2372, 2678, 2965, 4120, 4744, 5356, 5930, 6695, 7709, 10712, 11860, 13390, 15418, 23720, 26780, 30836, 38545, 53560, 61079, 61672, 77090, 122158, 154180, 244316, 305395, 308360, 488632, 610790, 794027, 1221580, 1588054, 2443160, 3176108, 3970135, 6352216, 7940270, 15880540, 31761080]

約数ペア:

[(1, 31761080), (2, 15880540), (4, 7940270), (5, 6352216), (8, 3970135), (10, 3176108), (13, 2443160), (20, 1588054), (26, 1221580), (40, 794027), (52, 610790), (65, 488632), (103, 308360), (104, 305395), (130, 244316), (206, 154180), (260, 122158), (412, 77090), (515, 61672), (520, 61079), (593, 53560), (824, 38545), (1030, 30836), (1186, 26780), (1339, 23720), (2060, 15418), (2372, 13390), (2678, 11860), (2965, 10712), (4120, 7709), (4744, 6695), (5356, 5930)]