31550220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 104875680

約数和(自身を除く): 73325460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 97, 117, 130, 139, 156, 180, 194, 195, 234, 260, 278, 291, 388, 390, 417, 468, 485, 556, 582, 585, 695, 780, 834, 873, 970, 1164, 1170, 1251, 1261, 1390, 1455, 1668, 1746, 1807, 1940, 2085, 2340, 2502, 2522, 2780, 2910, 3492, 3614, 3783, 4170, 4365, 5004, 5044, 5421, 5820, 6255, 6305, 7228, 7566, 8340, 8730, 9035, 10842, 11349, 12510, 12610, 13483, 15132, 16263, 17460, 18070, 18915, 21684, 22698, 25020, 25220, 26966, 27105, 32526, 36140, 37830, 40449, 45396, 53932, 54210, 56745, 65052, 67415, 75660, 80898, 81315, 108420, 113490, 121347, 134830, 161796, 162630, 175279, 202245, 226980, 242694, 269660, 325260, 350558, 404490, 485388, 525837, 606735, 701116, 808980, 876395, 1051674, 1213470, 1577511, 1752790, 2103348, 2426940, 2629185, 3155022, 3505580, 5258370, 6310044, 7887555, 10516740, 15775110, 31550220]

約数ペア:

[(1, 31550220), (2, 15775110), (3, 10516740), (4, 7887555), (5, 6310044), (6, 5258370), (9, 3505580), (10, 3155022), (12, 2629185), (13, 2426940), (15, 2103348), (18, 1752790), (20, 1577511), (26, 1213470), (30, 1051674), (36, 876395), (39, 808980), (45, 701116), (52, 606735), (60, 525837), (65, 485388), (78, 404490), (90, 350558), (97, 325260), (117, 269660), (130, 242694), (139, 226980), (156, 202245), (180, 175279), (194, 162630), (195, 161796), (234, 134830), (260, 121347), (278, 113490), (291, 108420), (388, 81315), (390, 80898), (417, 75660), (468, 67415), (485, 65052), (556, 56745), (582, 54210), (585, 53932), (695, 45396), (780, 40449), (834, 37830), (873, 36140), (970, 32526), (1164, 27105), (1170, 26966), (1251, 25220), (1261, 25020), (1390, 22698), (1455, 21684), (1668, 18915), (1746, 18070), (1807, 17460), (1940, 16263), (2085, 15132), (2340, 13483), (2502, 12610), (2522, 12510), (2780, 11349), (2910, 10842), (3492, 9035), (3614, 8730), (3783, 8340), (4170, 7566), (4365, 7228), (5004, 6305), (5044, 6255), (5421, 5820)]