15888976040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{2459}}^1$

素因数の和:3015

約数の個数: 128

約数和(自身を含む): 41828659200

約数和(自身を除く): 25939683160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 491, 658, 940, 982, 1316, 1645, 1880, 1964, 2455, 2459, 2632, 3290, 3437, 3928, 4910, 4918, 6580, 6874, 9820, 9836, 12295, 13160, 13748, 17185, 17213, 19640, 19672, 23077, 24590, 27496, 34370, 34426, 46154, 49180, 68740, 68852, 86065, 92308, 98360, 115385, 115573, 137480, 137704, 161539, 172130, 184616, 230770, 231146, 323078, 344260, 461540, 462292, 577865, 646156, 688520, 807695, 809011, 923080, 924584, 1155730, 1207369, 1292312, 1615390, 1618022, 2311460, 2414738, 3230780, 3236044, 4045055, 4622920, 4829476, 6036845, 6461560, 6472088, 8090110, 8451583, 9658952, 12073690, 16180220, 16903166, 24147380, 32360440, 33806332, 42257915, 48294760, 56746343, 67612664, 84515830, 113492686, 169031660, 226985372, 283731715, 338063320, 397224401, 453970744, 567463430, 794448802, 1134926860, 1588897604, 1986122005, 2269853720, 3177795208, 3972244010, 7944488020, 15888976040]

約数ペア:

[(1, 15888976040), (2, 7944488020), (4, 3972244010), (5, 3177795208), (7, 2269853720), (8, 1986122005), (10, 1588897604), (14, 1134926860), (20, 794448802), (28, 567463430), (35, 453970744), (40, 397224401), (47, 338063320), (56, 283731715), (70, 226985372), (94, 169031660), (140, 113492686), (188, 84515830), (235, 67612664), (280, 56746343), (329, 48294760), (376, 42257915), (470, 33806332), (491, 32360440), (658, 24147380), (940, 16903166), (982, 16180220), (1316, 12073690), (1645, 9658952), (1880, 8451583), (1964, 8090110), (2455, 6472088), (2459, 6461560), (2632, 6036845), (3290, 4829476), (3437, 4622920), (3928, 4045055), (4910, 3236044), (4918, 3230780), (6580, 2414738), (6874, 2311460), (9820, 1618022), (9836, 1615390), (12295, 1292312), (13160, 1207369), (13748, 1155730), (17185, 924584), (17213, 923080), (19640, 809011), (19672, 807695), (23077, 688520), (24590, 646156), (27496, 577865), (34370, 462292), (34426, 461540), (46154, 344260), (49180, 323078), (68740, 231146), (68852, 230770), (86065, 184616), (92308, 172130), (98360, 161539), (115385, 137704), (115573, 137480)]