31061520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6163}}^1$

素因数の和:6189

約数の個数: 120

約数和(自身を含む): 119236416

約数和(自身を除く): 88174896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6163, 12326, 18489, 24652, 30815, 36978, 43141, 49304, 55467, 61630, 73956, 86282, 92445, 98608, 110934, 123260, 129423, 147912, 172564, 184890, 215705, 221868, 246520, 258846, 277335, 295824, 345128, 369780, 388269, 431410, 443736, 493040, 517692, 554670, 647115, 690256, 739560, 776538, 862820, 887472, 1035384, 1109340, 1294230, 1479120, 1553076, 1725640, 1941345, 2070768, 2218680, 2588460, 3106152, 3451280, 3882690, 4437360, 5176920, 6212304, 7765380, 10353840, 15530760, 31061520]

約数ペア:

[(1, 31061520), (2, 15530760), (3, 10353840), (4, 7765380), (5, 6212304), (6, 5176920), (7, 4437360), (8, 3882690), (9, 3451280), (10, 3106152), (12, 2588460), (14, 2218680), (15, 2070768), (16, 1941345), (18, 1725640), (20, 1553076), (21, 1479120), (24, 1294230), (28, 1109340), (30, 1035384), (35, 887472), (36, 862820), (40, 776538), (42, 739560), (45, 690256), (48, 647115), (56, 554670), (60, 517692), (63, 493040), (70, 443736), (72, 431410), (80, 388269), (84, 369780), (90, 345128), (105, 295824), (112, 277335), (120, 258846), (126, 246520), (140, 221868), (144, 215705), (168, 184890), (180, 172564), (210, 147912), (240, 129423), (252, 123260), (280, 110934), (315, 98608), (336, 92445), (360, 86282), (420, 73956), (504, 61630), (560, 55467), (630, 49304), (720, 43141), (840, 36978), (1008, 30815), (1260, 24652), (1680, 18489), (2520, 12326), (5040, 6163)]