78235020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 144

約数和(自身を含む): 258437088

約数和(自身を除く): 180202068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 444, 510, 555, 612, 629, 666, 691, 740, 765, 1020, 1110, 1258, 1332, 1382, 1530, 1665, 1887, 2073, 2220, 2516, 2764, 3060, 3145, 3330, 3455, 3774, 4146, 5661, 6219, 6290, 6660, 6910, 7548, 8292, 9435, 10365, 11322, 11747, 12438, 12580, 13820, 18870, 20730, 22644, 23494, 24876, 25567, 28305, 31095, 35241, 37740, 41460, 46988, 51134, 56610, 58735, 62190, 70482, 76701, 102268, 105723, 113220, 117470, 124380, 127835, 140964, 153402, 176205, 211446, 230103, 234940, 255670, 306804, 352410, 383505, 422892, 434639, 460206, 511340, 528615, 704820, 767010, 869278, 920412, 1057230, 1150515, 1303917, 1534020, 1738556, 2114460, 2173195, 2301030, 2607834, 3911751, 4346390, 4602060, 5215668, 6519585, 7823502, 8692780, 13039170, 15647004, 19558755, 26078340, 39117510, 78235020]

約数ペア:

[(1, 78235020), (2, 39117510), (3, 26078340), (4, 19558755), (5, 15647004), (6, 13039170), (9, 8692780), (10, 7823502), (12, 6519585), (15, 5215668), (17, 4602060), (18, 4346390), (20, 3911751), (30, 2607834), (34, 2301030), (36, 2173195), (37, 2114460), (45, 1738556), (51, 1534020), (60, 1303917), (68, 1150515), (74, 1057230), (85, 920412), (90, 869278), (102, 767010), (111, 704820), (148, 528615), (153, 511340), (170, 460206), (180, 434639), (185, 422892), (204, 383505), (222, 352410), (255, 306804), (306, 255670), (333, 234940), (340, 230103), (370, 211446), (444, 176205), (510, 153402), (555, 140964), (612, 127835), (629, 124380), (666, 117470), (691, 113220), (740, 105723), (765, 102268), (1020, 76701), (1110, 70482), (1258, 62190), (1332, 58735), (1382, 56610), (1530, 51134), (1665, 46988), (1887, 41460), (2073, 37740), (2220, 35241), (2516, 31095), (2764, 28305), (3060, 25567), (3145, 24876), (3330, 23494), (3455, 22644), (3774, 20730), (4146, 18870), (5661, 13820), (6219, 12580), (6290, 12438), (6660, 11747), (6910, 11322), (7548, 10365), (8292, 9435)]