1666380820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 4145541120

約数和(自身を除く): 2479160300

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 89, 92, 101, 115, 124, 130, 155, 178, 202, 230, 260, 299, 310, 356, 403, 404, 445, 460, 505, 598, 620, 713, 806, 890, 1010, 1157, 1196, 1313, 1426, 1495, 1612, 1780, 2015, 2020, 2047, 2314, 2323, 2626, 2759, 2852, 2990, 3131, 3565, 4030, 4094, 4628, 4646, 5252, 5518, 5785, 5980, 6262, 6565, 7130, 8060, 8188, 8989, 9269, 9292, 10235, 11036, 11570, 11615, 12524, 13130, 13795, 14260, 15655, 17978, 18538, 20470, 23140, 23230, 26260, 26611, 27590, 30199, 31310, 35867, 35956, 37076, 40703, 40940, 44945, 46345, 46460, 53222, 55180, 60398, 62620, 63457, 71734, 72013, 81406, 89890, 92690, 106444, 116857, 120796, 126914, 133055, 143468, 144026, 150995, 162812, 179335, 179780, 185380, 203515, 206747, 233714, 253828, 266110, 278659, 288052, 301990, 317285, 358670, 360065, 407030, 413494, 467428, 532220, 557318, 584285, 603980, 634570, 717340, 720130, 814060, 824941, 826988, 936169, 1033735, 1114636, 1168570, 1269140, 1393295, 1440260, 1649882, 1872338, 2067470, 2337140, 2687711, 2786590, 3299764, 3622567, 3744676, 4124705, 4134940, 4680845, 5375422, 5573180, 6409157, 7245134, 8249410, 9361690, 10750844, 12818314, 13438555, 14490268, 16498820, 18112835, 18723380, 25636628, 26877110, 32045785, 36225670, 53754220, 64091570, 72451340, 83319041, 128183140, 166638082, 333276164, 416595205, 833190410, 1666380820]

約数ペア:

[(1, 1666380820), (2, 833190410), (4, 416595205), (5, 333276164), (10, 166638082), (13, 128183140), (20, 83319041), (23, 72451340), (26, 64091570), (31, 53754220), (46, 36225670), (52, 32045785), (62, 26877110), (65, 25636628), (89, 18723380), (92, 18112835), (101, 16498820), (115, 14490268), (124, 13438555), (130, 12818314), (155, 10750844), (178, 9361690), (202, 8249410), (230, 7245134), (260, 6409157), (299, 5573180), (310, 5375422), (356, 4680845), (403, 4134940), (404, 4124705), (445, 3744676), (460, 3622567), (505, 3299764), (598, 2786590), (620, 2687711), (713, 2337140), (806, 2067470), (890, 1872338), (1010, 1649882), (1157, 1440260), (1196, 1393295), (1313, 1269140), (1426, 1168570), (1495, 1114636), (1612, 1033735), (1780, 936169), (2015, 826988), (2020, 824941), (2047, 814060), (2314, 720130), (2323, 717340), (2626, 634570), (2759, 603980), (2852, 584285), (2990, 557318), (3131, 532220), (3565, 467428), (4030, 413494), (4094, 407030), (4628, 360065), (4646, 358670), (5252, 317285), (5518, 301990), (5785, 288052), (5980, 278659), (6262, 266110), (6565, 253828), (7130, 233714), (8060, 206747), (8188, 203515), (8989, 185380), (9269, 179780), (9292, 179335), (10235, 162812), (11036, 150995), (11570, 144026), (11615, 143468), (12524, 133055), (13130, 126914), (13795, 120796), (14260, 116857), (15655, 106444), (17978, 92690), (18538, 89890), (20470, 81406), (23140, 72013), (23230, 71734), (26260, 63457), (26611, 62620), (27590, 60398), (30199, 55180), (31310, 53222), (35867, 46460), (35956, 46345), (37076, 44945), (40703, 40940)]