145758280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 359976960

約数和(自身を除く): 214218680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 47, 61, 62, 82, 94, 122, 124, 155, 164, 188, 205, 235, 244, 248, 305, 310, 328, 376, 410, 470, 488, 610, 620, 820, 940, 1220, 1240, 1271, 1457, 1640, 1880, 1891, 1927, 2440, 2501, 2542, 2867, 2914, 3782, 3854, 5002, 5084, 5734, 5828, 6355, 7285, 7564, 7708, 9455, 9635, 10004, 10168, 11468, 11656, 12505, 12710, 14335, 14570, 15128, 15416, 18910, 19270, 20008, 22936, 25010, 25420, 28670, 29140, 37820, 38540, 50020, 50840, 57340, 58280, 59737, 75640, 77080, 77531, 88877, 100040, 114680, 117547, 119474, 155062, 177754, 235094, 238948, 298685, 310124, 355508, 387655, 444385, 470188, 477896, 587735, 597370, 620248, 711016, 775310, 888770, 940376, 1175470, 1194740, 1550620, 1777540, 2350940, 2389480, 3101240, 3555080, 3643957, 4701880, 7287914, 14575828, 18219785, 29151656, 36439570, 72879140, 145758280]

約数ペア:

[(1, 145758280), (2, 72879140), (4, 36439570), (5, 29151656), (8, 18219785), (10, 14575828), (20, 7287914), (31, 4701880), (40, 3643957), (41, 3555080), (47, 3101240), (61, 2389480), (62, 2350940), (82, 1777540), (94, 1550620), (122, 1194740), (124, 1175470), (155, 940376), (164, 888770), (188, 775310), (205, 711016), (235, 620248), (244, 597370), (248, 587735), (305, 477896), (310, 470188), (328, 444385), (376, 387655), (410, 355508), (470, 310124), (488, 298685), (610, 238948), (620, 235094), (820, 177754), (940, 155062), (1220, 119474), (1240, 117547), (1271, 114680), (1457, 100040), (1640, 88877), (1880, 77531), (1891, 77080), (1927, 75640), (2440, 59737), (2501, 58280), (2542, 57340), (2867, 50840), (2914, 50020), (3782, 38540), (3854, 37820), (5002, 29140), (5084, 28670), (5734, 25420), (5828, 25010), (6355, 22936), (7285, 20008), (7564, 19270), (7708, 18910), (9455, 15416), (9635, 15128), (10004, 14570), (10168, 14335), (11468, 12710), (11656, 12505)]