161940870

素因数分解:

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

素因数の和:78

約数の個数: 200

約数和(自身を含む): 539115984

約数和(自身を除く): 377175114

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, 28561, 30758, 31941, 32955, 35490, 36855, 39546, 45630, 46137, 53235, 57122, 59319, 63882, 65910, 68445, 73710, 76895, 85683, 92274, 95823, 98865, 106470, 118638, 136890, 138411, 142805, 153790, 159705, 171366, 177957, 191646, 197730, 199927, 230685, 257049, 276822, 285610, 296595, 319410, 355914, 399854, 415233, 428415, 461370, 479115, 514098, 593190, 599781, 692055, 771147, 830466, 856830, 889785, 958230, 999635, 1199562, 1245699, 1285245, 1384110, 1542294, 1779570, 1799343, 1999270, 2076165, 2313441, 2491398, 2570490, 2998905, 3598686, 3855735, 4152330, 4626882, 5398029, 5997810, 6228495, 7711470, 8996715, 10796058, 11567205, 12456990, 16194087, 17993430, 23134410, 26990145, 32388174, 53980290, 80970435, 161940870]

約数ペア:

[(1, 161940870), (2, 80970435), (3, 53980290), (5, 32388174), (6, 26990145), (7, 23134410), (9, 17993430), (10, 16194087), (13, 12456990), (14, 11567205), (15, 10796058), (18, 8996715), (21, 7711470), (26, 6228495), (27, 5997810), (30, 5398029), (35, 4626882), (39, 4152330), (42, 3855735), (45, 3598686), (54, 2998905), (63, 2570490), (65, 2491398), (70, 2313441), (78, 2076165), (81, 1999270), (90, 1799343), (91, 1779570), (105, 1542294), (117, 1384110), (126, 1285245), (130, 1245699), (135, 1199562), (162, 999635), (169, 958230), (182, 889785), (189, 856830), (195, 830466), (210, 771147), (234, 692055), (270, 599781), (273, 593190), (315, 514098), (338, 479115), (351, 461370), (378, 428415), (390, 415233), (405, 399854), (455, 355914), (507, 319410), (546, 296595), (567, 285610), (585, 276822), (630, 257049), (702, 230685), (810, 199927), (819, 197730), (845, 191646), (910, 177957), (945, 171366), (1014, 159705), (1053, 153790), (1134, 142805), (1170, 138411), (1183, 136890), (1365, 118638), (1521, 106470), (1638, 98865), (1690, 95823), (1755, 92274), (1890, 85683), (2106, 76895), (2197, 73710), (2366, 68445), (2457, 65910), (2535, 63882), (2730, 59319), (2835, 57122), (3042, 53235), (3510, 46137), (3549, 45630), (4095, 39546), (4394, 36855), (4563, 35490), (4914, 32955), (5070, 31941), (5265, 30758), (5670, 28561), (5915, 27378), (6591, 24570), (7098, 22815), (7371, 21970), (7605, 21294), (8190, 19773), (9126, 17745), (10530, 15379), (10647, 15210), (10985, 14742), (11830, 13689), (12285, 13182)]