255283140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2858

約数の個数: 144

約数和(自身を含む): 858622464

約数和(自身を除く): 603339324

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, 2801, 2940, 3038, 3255, 4340, 4557, 5602, 6076, 6510, 7595, 8403, 9114, 11204, 13020, 14005, 15190, 16806, 18228, 19607, 22785, 28010, 30380, 33612, 39214, 42015, 45570, 56020, 58821, 78428, 84030, 86831, 91140, 98035, 117642, 137249, 168060, 173662, 196070, 235284, 260493, 274498, 294105, 347324, 392140, 411747, 434155, 520986, 548996, 588210, 607817, 686245, 823494, 868310, 1041972, 1176420, 1215634, 1302465, 1372490, 1646988, 1736620, 1823451, 2058735, 2431268, 2604930, 2744980, 3039085, 3646902, 4117470, 4254719, 5209860, 6078170, 7293804, 8234940, 8509438, 9117255, 12156340, 12764157, 17018876, 18234510, 21273595, 25528314, 36469020, 42547190, 51056628, 63820785, 85094380, 127641570, 255283140]

約数ペア:

[(1, 255283140), (2, 127641570), (3, 85094380), (4, 63820785), (5, 51056628), (6, 42547190), (7, 36469020), (10, 25528314), (12, 21273595), (14, 18234510), (15, 17018876), (20, 12764157), (21, 12156340), (28, 9117255), (30, 8509438), (31, 8234940), (35, 7293804), (42, 6078170), (49, 5209860), (60, 4254719), (62, 4117470), (70, 3646902), (84, 3039085), (93, 2744980), (98, 2604930), (105, 2431268), (124, 2058735), (140, 1823451), (147, 1736620), (155, 1646988), (186, 1372490), (196, 1302465), (210, 1215634), (217, 1176420), (245, 1041972), (294, 868310), (310, 823494), (372, 686245), (420, 607817), (434, 588210), (465, 548996), (490, 520986), (588, 434155), (620, 411747), (651, 392140), (735, 347324), (868, 294105), (930, 274498), (980, 260493), (1085, 235284), (1302, 196070), (1470, 173662), (1519, 168060), (1860, 137249), (2170, 117642), (2604, 98035), (2801, 91140), (2940, 86831), (3038, 84030), (3255, 78428), (4340, 58821), (4557, 56020), (5602, 45570), (6076, 42015), (6510, 39214), (7595, 33612), (8403, 30380), (9114, 28010), (11204, 22785), (13020, 19607), (14005, 18228), (15190, 16806)]