645200040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{31079}}^1$

素因数の和:31266

約数の個数: 64

約数和(自身を含む): 1946851200

約数和(自身を除く): 1301651160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 3460, 4152, 5190, 6920, 10380, 20760, 31079, 62158, 93237, 124316, 155395, 186474, 248632, 310790, 372948, 466185, 621580, 745896, 932370, 1243160, 1864740, 3729480, 5376667, 10753334, 16130001, 21506668, 26883335, 32260002, 43013336, 53766670, 64520004, 80650005, 107533340, 129040008, 161300010, 215066680, 322600020, 645200040]

約数ペア:

[(1, 645200040), (2, 322600020), (3, 215066680), (4, 161300010), (5, 129040008), (6, 107533340), (8, 80650005), (10, 64520004), (12, 53766670), (15, 43013336), (20, 32260002), (24, 26883335), (30, 21506668), (40, 16130001), (60, 10753334), (120, 5376667), (173, 3729480), (346, 1864740), (519, 1243160), (692, 932370), (865, 745896), (1038, 621580), (1384, 466185), (1730, 372948), (2076, 310790), (2595, 248632), (3460, 186474), (4152, 155395), (5190, 124316), (6920, 93237), (10380, 62158), (20760, 31079)]