90517520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 244270080

約数和(自身を除く): 153752560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 80, 85, 95, 113, 124, 136, 152, 155, 170, 190, 226, 248, 272, 304, 310, 323, 340, 380, 452, 496, 527, 565, 589, 620, 646, 680, 760, 904, 1054, 1130, 1178, 1240, 1292, 1360, 1520, 1615, 1808, 1921, 2108, 2147, 2260, 2356, 2480, 2584, 2635, 2945, 3230, 3503, 3842, 4216, 4294, 4520, 4712, 5168, 5270, 5890, 6460, 7006, 7684, 8432, 8588, 9040, 9424, 9605, 10013, 10540, 10735, 11780, 12920, 14012, 15368, 17176, 17515, 19210, 20026, 21080, 21470, 23560, 25840, 28024, 30736, 34352, 35030, 36499, 38420, 40052, 42160, 42940, 47120, 50065, 56048, 59551, 66557, 70060, 72998, 76840, 80104, 85880, 100130, 119102, 133114, 140120, 145996, 153680, 160208, 171760, 182495, 200260, 238204, 266228, 280240, 291992, 297755, 332785, 364990, 400520, 476408, 532456, 583984, 595510, 665570, 729980, 801040, 952816, 1064912, 1131469, 1191020, 1331140, 1459960, 2262938, 2382040, 2662280, 2919920, 4525876, 4764080, 5324560, 5657345, 9051752, 11314690, 18103504, 22629380, 45258760, 90517520]

約数ペア:

[(1, 90517520), (2, 45258760), (4, 22629380), (5, 18103504), (8, 11314690), (10, 9051752), (16, 5657345), (17, 5324560), (19, 4764080), (20, 4525876), (31, 2919920), (34, 2662280), (38, 2382040), (40, 2262938), (62, 1459960), (68, 1331140), (76, 1191020), (80, 1131469), (85, 1064912), (95, 952816), (113, 801040), (124, 729980), (136, 665570), (152, 595510), (155, 583984), (170, 532456), (190, 476408), (226, 400520), (248, 364990), (272, 332785), (304, 297755), (310, 291992), (323, 280240), (340, 266228), (380, 238204), (452, 200260), (496, 182495), (527, 171760), (565, 160208), (589, 153680), (620, 145996), (646, 140120), (680, 133114), (760, 119102), (904, 100130), (1054, 85880), (1130, 80104), (1178, 76840), (1240, 72998), (1292, 70060), (1360, 66557), (1520, 59551), (1615, 56048), (1808, 50065), (1921, 47120), (2108, 42940), (2147, 42160), (2260, 40052), (2356, 38420), (2480, 36499), (2584, 35030), (2635, 34352), (2945, 30736), (3230, 28024), (3503, 25840), (3842, 23560), (4216, 21470), (4294, 21080), (4520, 20026), (4712, 19210), (5168, 17515), (5270, 17176), (5890, 15368), (6460, 14012), (7006, 12920), (7684, 11780), (8432, 10735), (8588, 10540), (9040, 10013), (9424, 9605)]