31032520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 42839480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 379, 445, 460, 712, 758, 890, 920, 1516, 1780, 1895, 2047, 3032, 3560, 3790, 4094, 7580, 8188, 8717, 10235, 15160, 16376, 17434, 20470, 33731, 34868, 40940, 43585, 67462, 69736, 81880, 87170, 134924, 168655, 174340, 269848, 337310, 348680, 674620, 775813, 1349240, 1551626, 3103252, 3879065, 6206504, 7758130, 15516260, 31032520]

約数ペア:

[(1, 31032520), (2, 15516260), (4, 7758130), (5, 6206504), (8, 3879065), (10, 3103252), (20, 1551626), (23, 1349240), (40, 775813), (46, 674620), (89, 348680), (92, 337310), (115, 269848), (178, 174340), (184, 168655), (230, 134924), (356, 87170), (379, 81880), (445, 69736), (460, 67462), (712, 43585), (758, 40940), (890, 34868), (920, 33731), (1516, 20470), (1780, 17434), (1895, 16376), (2047, 15160), (3032, 10235), (3560, 8717), (3790, 8188), (4094, 7580)]