67864020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 226836288

約数和(自身を除く): 158972268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 563, 574, 588, 615, 735, 820, 861, 980, 1126, 1148, 1230, 1435, 1470, 1689, 1722, 2009, 2252, 2460, 2815, 2870, 2940, 3378, 3444, 3941, 4018, 4305, 5630, 5740, 6027, 6756, 7882, 8036, 8445, 8610, 10045, 11260, 11823, 12054, 15764, 16890, 17220, 19705, 20090, 23083, 23646, 24108, 27587, 30135, 33780, 39410, 40180, 46166, 47292, 55174, 59115, 60270, 69249, 78820, 82761, 92332, 110348, 115415, 118230, 120540, 137935, 138498, 161581, 165522, 230830, 236460, 275870, 276996, 323162, 331044, 346245, 413805, 461660, 484743, 551740, 646324, 692490, 807905, 827610, 969486, 1131067, 1384980, 1615810, 1655220, 1938972, 2262134, 2423715, 3231620, 3393201, 4524268, 4847430, 5655335, 6786402, 9694860, 11310670, 13572804, 16966005, 22621340, 33932010, 67864020]

約数ペア:

[(1, 67864020), (2, 33932010), (3, 22621340), (4, 16966005), (5, 13572804), (6, 11310670), (7, 9694860), (10, 6786402), (12, 5655335), (14, 4847430), (15, 4524268), (20, 3393201), (21, 3231620), (28, 2423715), (30, 2262134), (35, 1938972), (41, 1655220), (42, 1615810), (49, 1384980), (60, 1131067), (70, 969486), (82, 827610), (84, 807905), (98, 692490), (105, 646324), (123, 551740), (140, 484743), (147, 461660), (164, 413805), (196, 346245), (205, 331044), (210, 323162), (245, 276996), (246, 275870), (287, 236460), (294, 230830), (410, 165522), (420, 161581), (490, 138498), (492, 137935), (563, 120540), (574, 118230), (588, 115415), (615, 110348), (735, 92332), (820, 82761), (861, 78820), (980, 69249), (1126, 60270), (1148, 59115), (1230, 55174), (1435, 47292), (1470, 46166), (1689, 40180), (1722, 39410), (2009, 33780), (2252, 30135), (2460, 27587), (2815, 24108), (2870, 23646), (2940, 23083), (3378, 20090), (3444, 19705), (3941, 17220), (4018, 16890), (4305, 15764), (5630, 12054), (5740, 11823), (6027, 11260), (6756, 10045), (7882, 8610), (8036, 8445)]