90309870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:767

約数の個数: 128

約数和(自身を含む): 279521280

約数和(自身を除く): 189211410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 426, 497, 630, 639, 673, 710, 945, 994, 1065, 1278, 1346, 1491, 1890, 1917, 2019, 2130, 2485, 2982, 3195, 3365, 3834, 4038, 4473, 4711, 4970, 6057, 6390, 6730, 7455, 8946, 9422, 9585, 10095, 12114, 13419, 14133, 14910, 18171, 19170, 20190, 22365, 23555, 26838, 28266, 30285, 36342, 42399, 44730, 47110, 47783, 60570, 67095, 70665, 84798, 90855, 95566, 127197, 134190, 141330, 143349, 181710, 211995, 238915, 254394, 286698, 334481, 423990, 430047, 477830, 635985, 668962, 716745, 860094, 1003443, 1271970, 1290141, 1433490, 1672405, 2006886, 2150235, 2580282, 3010329, 3344810, 4300470, 5017215, 6020658, 6450705, 9030987, 10034430, 12901410, 15051645, 18061974, 30103290, 45154935, 90309870]

約数ペア:

[(1, 90309870), (2, 45154935), (3, 30103290), (5, 18061974), (6, 15051645), (7, 12901410), (9, 10034430), (10, 9030987), (14, 6450705), (15, 6020658), (18, 5017215), (21, 4300470), (27, 3344810), (30, 3010329), (35, 2580282), (42, 2150235), (45, 2006886), (54, 1672405), (63, 1433490), (70, 1290141), (71, 1271970), (90, 1003443), (105, 860094), (126, 716745), (135, 668962), (142, 635985), (189, 477830), (210, 430047), (213, 423990), (270, 334481), (315, 286698), (355, 254394), (378, 238915), (426, 211995), (497, 181710), (630, 143349), (639, 141330), (673, 134190), (710, 127197), (945, 95566), (994, 90855), (1065, 84798), (1278, 70665), (1346, 67095), (1491, 60570), (1890, 47783), (1917, 47110), (2019, 44730), (2130, 42399), (2485, 36342), (2982, 30285), (3195, 28266), (3365, 26838), (3834, 23555), (4038, 22365), (4473, 20190), (4711, 19170), (4970, 18171), (6057, 14910), (6390, 14133), (6730, 13419), (7455, 12114), (8946, 10095), (9422, 9585)]