74557980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 264176640

約数和(自身を除く): 189618660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1259, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2518, 2820, 2961, 3290, 3777, 3948, 4230, 4935, 5036, 5922, 6295, 6580, 7554, 8460, 8813, 9870, 11331, 11844, 12590, 14805, 15108, 17626, 18885, 19740, 22662, 25180, 26439, 29610, 35252, 37770, 44065, 45324, 52878, 56655, 59173, 59220, 75540, 79317, 88130, 105756, 113310, 118346, 132195, 158634, 176260, 177519, 226620, 236692, 264390, 295865, 317268, 355038, 396585, 414211, 528780, 532557, 591730, 710076, 793170, 828422, 887595, 1065114, 1183460, 1242633, 1586340, 1656844, 1775190, 2071055, 2130228, 2485266, 2662785, 3550380, 3727899, 4142110, 4970532, 5325570, 6213165, 7455798, 8284220, 10651140, 12426330, 14911596, 18639495, 24852660, 37278990, 74557980]

約数ペア:

[(1, 74557980), (2, 37278990), (3, 24852660), (4, 18639495), (5, 14911596), (6, 12426330), (7, 10651140), (9, 8284220), (10, 7455798), (12, 6213165), (14, 5325570), (15, 4970532), (18, 4142110), (20, 3727899), (21, 3550380), (28, 2662785), (30, 2485266), (35, 2130228), (36, 2071055), (42, 1775190), (45, 1656844), (47, 1586340), (60, 1242633), (63, 1183460), (70, 1065114), (84, 887595), (90, 828422), (94, 793170), (105, 710076), (126, 591730), (140, 532557), (141, 528780), (180, 414211), (188, 396585), (210, 355038), (235, 317268), (252, 295865), (282, 264390), (315, 236692), (329, 226620), (420, 177519), (423, 176260), (470, 158634), (564, 132195), (630, 118346), (658, 113310), (705, 105756), (846, 88130), (940, 79317), (987, 75540), (1259, 59220), (1260, 59173), (1316, 56655), (1410, 52878), (1645, 45324), (1692, 44065), (1974, 37770), (2115, 35252), (2518, 29610), (2820, 26439), (2961, 25180), (3290, 22662), (3777, 19740), (3948, 18885), (4230, 17626), (4935, 15108), (5036, 14805), (5922, 12590), (6295, 11844), (6580, 11331), (7554, 9870), (8460, 8813)]