72705780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3037}}^1$

素因数の和:3078

約数の個数: 144

約数和(自身を含む): 265399680

約数和(自身を除く): 192693900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3037, 3420, 3990, 4788, 5985, 6074, 7980, 9111, 11970, 12148, 15185, 18222, 21259, 23940, 27333, 30370, 36444, 42518, 45555, 54666, 57703, 60740, 63777, 85036, 91110, 106295, 109332, 115406, 127554, 136665, 173109, 182220, 191331, 212590, 230812, 255108, 273330, 288515, 318885, 346218, 382662, 403921, 425180, 519327, 546660, 577030, 637770, 692436, 765324, 807842, 865545, 956655, 1038654, 1154060, 1211763, 1275540, 1615684, 1731090, 1913310, 2019605, 2077308, 2423526, 2596635, 3462180, 3635289, 3826620, 4039210, 4847052, 5193270, 6058815, 7270578, 8078420, 10386540, 12117630, 14541156, 18176445, 24235260, 36352890, 72705780]

約数ペア:

[(1, 72705780), (2, 36352890), (3, 24235260), (4, 18176445), (5, 14541156), (6, 12117630), (7, 10386540), (9, 8078420), (10, 7270578), (12, 6058815), (14, 5193270), (15, 4847052), (18, 4039210), (19, 3826620), (20, 3635289), (21, 3462180), (28, 2596635), (30, 2423526), (35, 2077308), (36, 2019605), (38, 1913310), (42, 1731090), (45, 1615684), (57, 1275540), (60, 1211763), (63, 1154060), (70, 1038654), (76, 956655), (84, 865545), (90, 807842), (95, 765324), (105, 692436), (114, 637770), (126, 577030), (133, 546660), (140, 519327), (171, 425180), (180, 403921), (190, 382662), (210, 346218), (228, 318885), (252, 288515), (266, 273330), (285, 255108), (315, 230812), (342, 212590), (380, 191331), (399, 182220), (420, 173109), (532, 136665), (570, 127554), (630, 115406), (665, 109332), (684, 106295), (798, 91110), (855, 85036), (1140, 63777), (1197, 60740), (1260, 57703), (1330, 54666), (1596, 45555), (1710, 42518), (1995, 36444), (2394, 30370), (2660, 27333), (3037, 23940), (3420, 21259), (3990, 18222), (4788, 15185), (5985, 12148), (6074, 11970), (7980, 9111)]