71800020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 245887488

約数和(自身を除く): 174087468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 41, 45, 46, 47, 54, 60, 69, 81, 82, 90, 92, 94, 108, 115, 123, 135, 138, 141, 162, 164, 180, 188, 205, 207, 230, 235, 246, 270, 276, 282, 324, 345, 369, 405, 410, 414, 423, 460, 470, 492, 540, 564, 615, 621, 690, 705, 738, 810, 820, 828, 846, 940, 943, 1035, 1081, 1107, 1230, 1242, 1269, 1380, 1410, 1476, 1620, 1692, 1845, 1863, 1886, 1927, 2070, 2115, 2162, 2214, 2460, 2484, 2538, 2820, 2829, 3105, 3243, 3321, 3690, 3726, 3772, 3807, 3854, 4140, 4230, 4324, 4428, 4715, 5076, 5405, 5535, 5658, 5781, 6210, 6345, 6486, 6642, 7380, 7452, 7614, 7708, 8460, 8487, 9315, 9430, 9635, 9729, 10810, 11070, 11316, 11562, 12420, 12690, 12972, 13284, 14145, 15228, 16215, 16605, 16974, 17343, 18630, 18860, 19035, 19270, 19458, 21620, 22140, 23124, 25380, 25461, 28290, 28905, 29187, 32430, 33210, 33948, 34686, 37260, 38070, 38540, 38916, 42435, 44321, 48645, 50922, 52029, 56580, 57810, 58374, 64860, 66420, 69372, 76140, 76383, 84870, 86715, 87561, 88642, 97290, 101844, 104058, 115620, 116748, 127305, 132963, 145935, 152766, 156087, 169740, 173430, 175122, 177284, 194580, 208116, 221605, 254610, 260145, 265926, 291870, 305532, 312174, 346860, 350244, 381915, 398889, 437805, 443210, 509220, 520290, 531852, 583740, 624348, 664815, 763830, 780435, 797778, 875610, 886420, 1040580, 1196667, 1329630, 1527660, 1560870, 1595556, 1751220, 1994445, 2393334, 2659260, 3121740, 3590001, 3988890, 4786668, 5983335, 7180002, 7977780, 11966670, 14360004, 17950005, 23933340, 35900010, 71800020]

約数ペア:

[(1, 71800020), (2, 35900010), (3, 23933340), (4, 17950005), (5, 14360004), (6, 11966670), (9, 7977780), (10, 7180002), (12, 5983335), (15, 4786668), (18, 3988890), (20, 3590001), (23, 3121740), (27, 2659260), (30, 2393334), (36, 1994445), (41, 1751220), (45, 1595556), (46, 1560870), (47, 1527660), (54, 1329630), (60, 1196667), (69, 1040580), (81, 886420), (82, 875610), (90, 797778), (92, 780435), (94, 763830), (108, 664815), (115, 624348), (123, 583740), (135, 531852), (138, 520290), (141, 509220), (162, 443210), (164, 437805), (180, 398889), (188, 381915), (205, 350244), (207, 346860), (230, 312174), (235, 305532), (246, 291870), (270, 265926), (276, 260145), (282, 254610), (324, 221605), (345, 208116), (369, 194580), (405, 177284), (410, 175122), (414, 173430), (423, 169740), (460, 156087), (470, 152766), (492, 145935), (540, 132963), (564, 127305), (615, 116748), (621, 115620), (690, 104058), (705, 101844), (738, 97290), (810, 88642), (820, 87561), (828, 86715), (846, 84870), (940, 76383), (943, 76140), (1035, 69372), (1081, 66420), (1107, 64860), (1230, 58374), (1242, 57810), (1269, 56580), (1380, 52029), (1410, 50922), (1476, 48645), (1620, 44321), (1692, 42435), (1845, 38916), (1863, 38540), (1886, 38070), (1927, 37260), (2070, 34686), (2115, 33948), (2162, 33210), (2214, 32430), (2460, 29187), (2484, 28905), (2538, 28290), (2820, 25461), (2829, 25380), (3105, 23124), (3243, 22140), (3321, 21620), (3690, 19458), (3726, 19270), (3772, 19035), (3807, 18860), (3854, 18630), (4140, 17343), (4230, 16974), (4324, 16605), (4428, 16215), (4715, 15228), (5076, 14145), (5405, 13284), (5535, 12972), (5658, 12690), (5781, 12420), (6210, 11562), (6345, 11316), (6486, 11070), (6642, 10810), (7380, 9729), (7452, 9635), (7614, 9430), (7708, 9315), (8460, 8487)]