75166980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 251810496

約数和(自身を除く): 176643516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 691, 735, 740, 777, 980, 1036, 1110, 1295, 1382, 1470, 1554, 1813, 2073, 2220, 2590, 2764, 2940, 3108, 3455, 3626, 3885, 4146, 4837, 5180, 5439, 6910, 7252, 7770, 8292, 9065, 9674, 10365, 10878, 13820, 14511, 15540, 18130, 19348, 20730, 21756, 24185, 25567, 27195, 29022, 33859, 36260, 41460, 48370, 51134, 54390, 58044, 67718, 72555, 76701, 96740, 101577, 102268, 108780, 127835, 135436, 145110, 153402, 169295, 178969, 203154, 255670, 290220, 306804, 338590, 357938, 383505, 406308, 507885, 511340, 536907, 677180, 715876, 767010, 894845, 1015770, 1073814, 1252783, 1534020, 1789690, 2031540, 2147628, 2505566, 2684535, 3579380, 3758349, 5011132, 5369070, 6263915, 7516698, 10738140, 12527830, 15033396, 18791745, 25055660, 37583490, 75166980]

約数ペア:

[(1, 75166980), (2, 37583490), (3, 25055660), (4, 18791745), (5, 15033396), (6, 12527830), (7, 10738140), (10, 7516698), (12, 6263915), (14, 5369070), (15, 5011132), (20, 3758349), (21, 3579380), (28, 2684535), (30, 2505566), (35, 2147628), (37, 2031540), (42, 1789690), (49, 1534020), (60, 1252783), (70, 1073814), (74, 1015770), (84, 894845), (98, 767010), (105, 715876), (111, 677180), (140, 536907), (147, 511340), (148, 507885), (185, 406308), (196, 383505), (210, 357938), (222, 338590), (245, 306804), (259, 290220), (294, 255670), (370, 203154), (420, 178969), (444, 169295), (490, 153402), (518, 145110), (555, 135436), (588, 127835), (691, 108780), (735, 102268), (740, 101577), (777, 96740), (980, 76701), (1036, 72555), (1110, 67718), (1295, 58044), (1382, 54390), (1470, 51134), (1554, 48370), (1813, 41460), (2073, 36260), (2220, 33859), (2590, 29022), (2764, 27195), (2940, 25567), (3108, 24185), (3455, 21756), (3626, 20730), (3885, 19348), (4146, 18130), (4837, 15540), (5180, 14511), (5439, 13820), (6910, 10878), (7252, 10365), (7770, 9674), (8292, 9065)]