161461920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 192

約数和(自身を含む): 551287296

約数和(自身を除く): 389825376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 47, 48, 51, 60, 68, 80, 85, 94, 96, 102, 120, 136, 141, 160, 170, 188, 204, 235, 240, 255, 272, 282, 340, 376, 408, 421, 470, 480, 510, 544, 564, 680, 705, 752, 799, 816, 842, 940, 1020, 1128, 1263, 1360, 1410, 1504, 1598, 1632, 1684, 1880, 2040, 2105, 2256, 2397, 2526, 2720, 2820, 3196, 3368, 3760, 3995, 4080, 4210, 4512, 4794, 5052, 5640, 6315, 6392, 6736, 7157, 7520, 7990, 8160, 8420, 9588, 10104, 11280, 11985, 12630, 12784, 13472, 14314, 15980, 16840, 19176, 19787, 20208, 21471, 22560, 23970, 25260, 25568, 28628, 31960, 33680, 35785, 38352, 39574, 40416, 42942, 47940, 50520, 57256, 59361, 63920, 67360, 71570, 76704, 79148, 85884, 95880, 98935, 101040, 107355, 114512, 118722, 127840, 143140, 158296, 171768, 191760, 197870, 202080, 214710, 229024, 237444, 286280, 296805, 316592, 336379, 343536, 383520, 395740, 429420, 474888, 572560, 593610, 633184, 672758, 687072, 791480, 858840, 949776, 1009137, 1145120, 1187220, 1345516, 1582960, 1681895, 1717680, 1899552, 2018274, 2374440, 2691032, 3165920, 3363790, 3435360, 4036548, 4748880, 5045685, 5382064, 6727580, 8073096, 9497760, 10091370, 10764128, 13455160, 16146192, 20182740, 26910320, 32292384, 40365480, 53820640, 80730960, 161461920]

約数ペア:

[(1, 161461920), (2, 80730960), (3, 53820640), (4, 40365480), (5, 32292384), (6, 26910320), (8, 20182740), (10, 16146192), (12, 13455160), (15, 10764128), (16, 10091370), (17, 9497760), (20, 8073096), (24, 6727580), (30, 5382064), (32, 5045685), (34, 4748880), (40, 4036548), (47, 3435360), (48, 3363790), (51, 3165920), (60, 2691032), (68, 2374440), (80, 2018274), (85, 1899552), (94, 1717680), (96, 1681895), (102, 1582960), (120, 1345516), (136, 1187220), (141, 1145120), (160, 1009137), (170, 949776), (188, 858840), (204, 791480), (235, 687072), (240, 672758), (255, 633184), (272, 593610), (282, 572560), (340, 474888), (376, 429420), (408, 395740), (421, 383520), (470, 343536), (480, 336379), (510, 316592), (544, 296805), (564, 286280), (680, 237444), (705, 229024), (752, 214710), (799, 202080), (816, 197870), (842, 191760), (940, 171768), (1020, 158296), (1128, 143140), (1263, 127840), (1360, 118722), (1410, 114512), (1504, 107355), (1598, 101040), (1632, 98935), (1684, 95880), (1880, 85884), (2040, 79148), (2105, 76704), (2256, 71570), (2397, 67360), (2526, 63920), (2720, 59361), (2820, 57256), (3196, 50520), (3368, 47940), (3760, 42942), (3995, 40416), (4080, 39574), (4210, 38352), (4512, 35785), (4794, 33680), (5052, 31960), (5640, 28628), (6315, 25568), (6392, 25260), (6736, 23970), (7157, 22560), (7520, 21471), (7990, 20208), (8160, 19787), (8420, 19176), (9588, 16840), (10104, 15980), (11280, 14314), (11985, 13472), (12630, 12784)]