12456990

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^3$

素因数の和:65

約数の個数: 160

約数和(自身を含む): 41469120

約数和(自身を除く): 29012130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 81, 90, 91, 105, 117, 126, 130, 135, 162, 169, 182, 189, 195, 210, 234, 270, 273, 315, 338, 351, 378, 390, 405, 455, 507, 546, 567, 585, 630, 702, 810, 819, 845, 910, 945, 1014, 1053, 1134, 1170, 1183, 1365, 1521, 1638, 1690, 1755, 1890, 2106, 2197, 2366, 2457, 2535, 2730, 2835, 3042, 3510, 3549, 4095, 4394, 4563, 4914, 5070, 5265, 5670, 5915, 6591, 7098, 7371, 7605, 8190, 9126, 10530, 10647, 10985, 11830, 12285, 13182, 13689, 14742, 15210, 15379, 17745, 19773, 21294, 21970, 22815, 24570, 27378, 30758, 31941, 32955, 35490, 36855, 39546, 45630, 46137, 53235, 59319, 63882, 65910, 68445, 73710, 76895, 92274, 95823, 98865, 106470, 118638, 136890, 138411, 153790, 159705, 177957, 191646, 197730, 230685, 276822, 296595, 319410, 355914, 415233, 461370, 479115, 593190, 692055, 830466, 889785, 958230, 1245699, 1384110, 1779570, 2076165, 2491398, 4152330, 6228495, 12456990]

約数ペア:

[(1, 12456990), (2, 6228495), (3, 4152330), (5, 2491398), (6, 2076165), (7, 1779570), (9, 1384110), (10, 1245699), (13, 958230), (14, 889785), (15, 830466), (18, 692055), (21, 593190), (26, 479115), (27, 461370), (30, 415233), (35, 355914), (39, 319410), (42, 296595), (45, 276822), (54, 230685), (63, 197730), (65, 191646), (70, 177957), (78, 159705), (81, 153790), (90, 138411), (91, 136890), (105, 118638), (117, 106470), (126, 98865), (130, 95823), (135, 92274), (162, 76895), (169, 73710), (182, 68445), (189, 65910), (195, 63882), (210, 59319), (234, 53235), (270, 46137), (273, 45630), (315, 39546), (338, 36855), (351, 35490), (378, 32955), (390, 31941), (405, 30758), (455, 27378), (507, 24570), (546, 22815), (567, 21970), (585, 21294), (630, 19773), (702, 17745), (810, 15379), (819, 15210), (845, 14742), (910, 13689), (945, 13182), (1014, 12285), (1053, 11830), (1134, 10985), (1170, 10647), (1183, 10530), (1365, 9126), (1521, 8190), (1638, 7605), (1690, 7371), (1755, 7098), (1890, 6591), (2106, 5915), (2197, 5670), (2366, 5265), (2457, 5070), (2535, 4914), (2730, 4563), (2835, 4394), (3042, 4095), (3510, 3549)]