260458380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15901}}^1$

素因数の和:15936

約数の個数: 144

約数和(自身を含む): 972439104

約数和(自身を除く): 711980724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15901, 16380, 31802, 47703, 63604, 79505, 95406, 111307, 143109, 159010, 190812, 206713, 222614, 238515, 286218, 318020, 333921, 413426, 445228, 477030, 556535, 572436, 620139, 667842, 715545, 826852, 954060, 1001763, 1033565, 1113070, 1240278, 1335684, 1431090, 1446991, 1669605, 1860417, 2003526, 2067130, 2226140, 2480556, 2862180, 2893982, 3100695, 3339210, 3720834, 4007052, 4134260, 4340973, 5008815, 5787964, 6201390, 6678420, 7234955, 7441668, 8681946, 9302085, 10017630, 12402780, 13022919, 14469910, 17363892, 18604170, 20035260, 21704865, 26045838, 28939820, 37208340, 43409730, 52091676, 65114595, 86819460, 130229190, 260458380]

約数ペア:

[(1, 260458380), (2, 130229190), (3, 86819460), (4, 65114595), (5, 52091676), (6, 43409730), (7, 37208340), (9, 28939820), (10, 26045838), (12, 21704865), (13, 20035260), (14, 18604170), (15, 17363892), (18, 14469910), (20, 13022919), (21, 12402780), (26, 10017630), (28, 9302085), (30, 8681946), (35, 7441668), (36, 7234955), (39, 6678420), (42, 6201390), (45, 5787964), (52, 5008815), (60, 4340973), (63, 4134260), (65, 4007052), (70, 3720834), (78, 3339210), (84, 3100695), (90, 2893982), (91, 2862180), (105, 2480556), (117, 2226140), (126, 2067130), (130, 2003526), (140, 1860417), (156, 1669605), (180, 1446991), (182, 1431090), (195, 1335684), (210, 1240278), (234, 1113070), (252, 1033565), (260, 1001763), (273, 954060), (315, 826852), (364, 715545), (390, 667842), (420, 620139), (455, 572436), (468, 556535), (546, 477030), (585, 445228), (630, 413426), (780, 333921), (819, 318020), (910, 286218), (1092, 238515), (1170, 222614), (1260, 206713), (1365, 190812), (1638, 159010), (1820, 143109), (2340, 111307), (2730, 95406), (3276, 79505), (4095, 63604), (5460, 47703), (8190, 31802), (15901, 16380)]