280984620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3083}}^1$

素因数の和:3140

約数の個数: 144

約数和(自身を含む): 945036288

約数和(自身を除く): 664051668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3083, 3255, 4340, 4557, 6076, 6166, 6510, 7595, 9114, 9249, 12332, 13020, 15190, 15415, 18228, 18498, 21581, 22785, 30380, 30830, 36996, 43162, 45570, 46245, 61660, 64743, 86324, 91140, 92490, 95573, 107905, 129486, 151067, 184980, 191146, 215810, 258972, 286719, 302134, 323715, 382292, 431620, 453201, 477865, 573438, 604268, 647430, 669011, 755335, 906402, 955730, 1146876, 1294860, 1338022, 1433595, 1510670, 1812804, 1911460, 2007033, 2266005, 2676044, 2867190, 3021340, 3345055, 4014066, 4532010, 4683077, 5734380, 6690110, 8028132, 9064020, 9366154, 10035165, 13380220, 14049231, 18732308, 20070330, 23415385, 28098462, 40140660, 46830770, 56196924, 70246155, 93661540, 140492310, 280984620]

約数ペア:

[(1, 280984620), (2, 140492310), (3, 93661540), (4, 70246155), (5, 56196924), (6, 46830770), (7, 40140660), (10, 28098462), (12, 23415385), (14, 20070330), (15, 18732308), (20, 14049231), (21, 13380220), (28, 10035165), (30, 9366154), (31, 9064020), (35, 8028132), (42, 6690110), (49, 5734380), (60, 4683077), (62, 4532010), (70, 4014066), (84, 3345055), (93, 3021340), (98, 2867190), (105, 2676044), (124, 2266005), (140, 2007033), (147, 1911460), (155, 1812804), (186, 1510670), (196, 1433595), (210, 1338022), (217, 1294860), (245, 1146876), (294, 955730), (310, 906402), (372, 755335), (420, 669011), (434, 647430), (465, 604268), (490, 573438), (588, 477865), (620, 453201), (651, 431620), (735, 382292), (868, 323715), (930, 302134), (980, 286719), (1085, 258972), (1302, 215810), (1470, 191146), (1519, 184980), (1860, 151067), (2170, 129486), (2604, 107905), (2940, 95573), (3038, 92490), (3083, 91140), (3255, 86324), (4340, 64743), (4557, 61660), (6076, 46245), (6166, 45570), (6510, 43162), (7595, 36996), (9114, 30830), (9249, 30380), (12332, 22785), (13020, 21581), (15190, 18498), (15415, 18228)]