1286220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 4148928

約数和(自身を除く): 2862708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 97, 102, 130, 156, 170, 194, 195, 204, 221, 255, 260, 291, 340, 388, 390, 442, 485, 510, 582, 663, 780, 884, 970, 1020, 1105, 1164, 1261, 1326, 1455, 1649, 1940, 2210, 2522, 2652, 2910, 3298, 3315, 3783, 4420, 4947, 5044, 5820, 6305, 6596, 6630, 7566, 8245, 9894, 12610, 13260, 15132, 16490, 18915, 19788, 21437, 24735, 25220, 32980, 37830, 42874, 49470, 64311, 75660, 85748, 98940, 107185, 128622, 214370, 257244, 321555, 428740, 643110, 1286220]

約数ペア:

[(1, 1286220), (2, 643110), (3, 428740), (4, 321555), (5, 257244), (6, 214370), (10, 128622), (12, 107185), (13, 98940), (15, 85748), (17, 75660), (20, 64311), (26, 49470), (30, 42874), (34, 37830), (39, 32980), (51, 25220), (52, 24735), (60, 21437), (65, 19788), (68, 18915), (78, 16490), (85, 15132), (97, 13260), (102, 12610), (130, 9894), (156, 8245), (170, 7566), (194, 6630), (195, 6596), (204, 6305), (221, 5820), (255, 5044), (260, 4947), (291, 4420), (340, 3783), (388, 3315), (390, 3298), (442, 2910), (485, 2652), (510, 2522), (582, 2210), (663, 1940), (780, 1649), (884, 1455), (970, 1326), (1020, 1261), (1105, 1164)]