1640100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 5999616

約数和(自身を除く): 4359516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 71, 75, 77, 84, 100, 105, 110, 132, 140, 142, 150, 154, 165, 175, 210, 213, 220, 231, 275, 284, 300, 308, 330, 350, 355, 385, 420, 426, 462, 497, 525, 550, 660, 700, 710, 770, 781, 825, 852, 924, 994, 1050, 1065, 1100, 1155, 1420, 1491, 1540, 1562, 1650, 1775, 1925, 1988, 2100, 2130, 2310, 2343, 2485, 2982, 3124, 3300, 3550, 3850, 3905, 4260, 4620, 4686, 4970, 5325, 5467, 5775, 5964, 7100, 7455, 7700, 7810, 9372, 9940, 10650, 10934, 11550, 11715, 12425, 14910, 15620, 16401, 19525, 21300, 21868, 23100, 23430, 24850, 27335, 29820, 32802, 37275, 39050, 46860, 49700, 54670, 58575, 65604, 74550, 78100, 82005, 109340, 117150, 136675, 149100, 164010, 234300, 273350, 328020, 410025, 546700, 820050, 1640100]

約数ペア:

[(1, 1640100), (2, 820050), (3, 546700), (4, 410025), (5, 328020), (6, 273350), (7, 234300), (10, 164010), (11, 149100), (12, 136675), (14, 117150), (15, 109340), (20, 82005), (21, 78100), (22, 74550), (25, 65604), (28, 58575), (30, 54670), (33, 49700), (35, 46860), (42, 39050), (44, 37275), (50, 32802), (55, 29820), (60, 27335), (66, 24850), (70, 23430), (71, 23100), (75, 21868), (77, 21300), (84, 19525), (100, 16401), (105, 15620), (110, 14910), (132, 12425), (140, 11715), (142, 11550), (150, 10934), (154, 10650), (165, 9940), (175, 9372), (210, 7810), (213, 7700), (220, 7455), (231, 7100), (275, 5964), (284, 5775), (300, 5467), (308, 5325), (330, 4970), (350, 4686), (355, 4620), (385, 4260), (420, 3905), (426, 3850), (462, 3550), (497, 3300), (525, 3124), (550, 2982), (660, 2485), (700, 2343), (710, 2310), (770, 2130), (781, 2100), (825, 1988), (852, 1925), (924, 1775), (994, 1650), (1050, 1562), (1065, 1540), (1100, 1491), (1155, 1420)]