84117780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 266482944

約数和(自身を除く): 182365164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 61, 90, 94, 122, 141, 163, 180, 183, 188, 235, 244, 282, 305, 326, 366, 423, 470, 489, 549, 564, 610, 652, 705, 732, 815, 846, 915, 940, 978, 1098, 1220, 1410, 1467, 1630, 1692, 1830, 1956, 2115, 2196, 2445, 2745, 2820, 2867, 2934, 3260, 3660, 4230, 4890, 5490, 5734, 5868, 7335, 7661, 8460, 8601, 9780, 9943, 10980, 11468, 14335, 14670, 15322, 17202, 19886, 22983, 25803, 28670, 29340, 29829, 30644, 34404, 38305, 39772, 43005, 45966, 49715, 51606, 57340, 59658, 68949, 76610, 86010, 89487, 91932, 99430, 103212, 114915, 119316, 129015, 137898, 149145, 153220, 172020, 178974, 198860, 229830, 258030, 275796, 298290, 344745, 357948, 447435, 459660, 467321, 516060, 596580, 689490, 894870, 934642, 1378980, 1401963, 1789740, 1869284, 2336605, 2803926, 4205889, 4673210, 5607852, 7009815, 8411778, 9346420, 14019630, 16823556, 21029445, 28039260, 42058890, 84117780]

約数ペア:

[(1, 84117780), (2, 42058890), (3, 28039260), (4, 21029445), (5, 16823556), (6, 14019630), (9, 9346420), (10, 8411778), (12, 7009815), (15, 5607852), (18, 4673210), (20, 4205889), (30, 2803926), (36, 2336605), (45, 1869284), (47, 1789740), (60, 1401963), (61, 1378980), (90, 934642), (94, 894870), (122, 689490), (141, 596580), (163, 516060), (180, 467321), (183, 459660), (188, 447435), (235, 357948), (244, 344745), (282, 298290), (305, 275796), (326, 258030), (366, 229830), (423, 198860), (470, 178974), (489, 172020), (549, 153220), (564, 149145), (610, 137898), (652, 129015), (705, 119316), (732, 114915), (815, 103212), (846, 99430), (915, 91932), (940, 89487), (978, 86010), (1098, 76610), (1220, 68949), (1410, 59658), (1467, 57340), (1630, 51606), (1692, 49715), (1830, 45966), (1956, 43005), (2115, 39772), (2196, 38305), (2445, 34404), (2745, 30644), (2820, 29829), (2867, 29340), (2934, 28670), (3260, 25803), (3660, 22983), (4230, 19886), (4890, 17202), (5490, 15322), (5734, 14670), (5868, 14335), (7335, 11468), (7661, 10980), (8460, 9943), (8601, 9780)]