12838980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 45734976

約数和(自身を除く): 32895996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 397, 420, 462, 490, 539, 588, 660, 735, 770, 794, 924, 980, 1078, 1155, 1191, 1470, 1540, 1588, 1617, 1985, 2156, 2310, 2382, 2695, 2779, 2940, 3234, 3970, 4367, 4620, 4764, 5390, 5558, 5955, 6468, 7940, 8085, 8337, 8734, 10780, 11116, 11910, 13101, 13895, 16170, 16674, 17468, 19453, 21835, 23820, 26202, 27790, 30569, 32340, 33348, 38906, 41685, 43670, 52404, 55580, 58359, 61138, 65505, 77812, 83370, 87340, 91707, 97265, 116718, 122276, 131010, 152845, 166740, 183414, 194530, 213983, 233436, 262020, 291795, 305690, 366828, 389060, 427966, 458535, 583590, 611380, 641949, 855932, 917070, 1069915, 1167180, 1283898, 1834140, 2139830, 2567796, 3209745, 4279660, 6419490, 12838980]

約数ペア:

[(1, 12838980), (2, 6419490), (3, 4279660), (4, 3209745), (5, 2567796), (6, 2139830), (7, 1834140), (10, 1283898), (11, 1167180), (12, 1069915), (14, 917070), (15, 855932), (20, 641949), (21, 611380), (22, 583590), (28, 458535), (30, 427966), (33, 389060), (35, 366828), (42, 305690), (44, 291795), (49, 262020), (55, 233436), (60, 213983), (66, 194530), (70, 183414), (77, 166740), (84, 152845), (98, 131010), (105, 122276), (110, 116718), (132, 97265), (140, 91707), (147, 87340), (154, 83370), (165, 77812), (196, 65505), (210, 61138), (220, 58359), (231, 55580), (245, 52404), (294, 43670), (308, 41685), (330, 38906), (385, 33348), (397, 32340), (420, 30569), (462, 27790), (490, 26202), (539, 23820), (588, 21835), (660, 19453), (735, 17468), (770, 16674), (794, 16170), (924, 13895), (980, 13101), (1078, 11910), (1155, 11116), (1191, 10780), (1470, 8734), (1540, 8337), (1588, 8085), (1617, 7940), (1985, 6468), (2156, 5955), (2310, 5558), (2382, 5390), (2695, 4764), (2779, 4620), (2940, 4367), (3234, 3970)]