67392760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 106789640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 85, 92, 115, 124, 136, 139, 155, 170, 184, 230, 248, 278, 310, 340, 391, 460, 527, 556, 620, 680, 695, 713, 782, 920, 1054, 1112, 1240, 1390, 1426, 1564, 1955, 2108, 2363, 2635, 2780, 2852, 3128, 3197, 3565, 3910, 4216, 4309, 4726, 5270, 5560, 5704, 6394, 7130, 7820, 8618, 9452, 10540, 11815, 12121, 12788, 14260, 15640, 15985, 17236, 18904, 21080, 21545, 23630, 24242, 25576, 28520, 31970, 34472, 43090, 47260, 48484, 54349, 60605, 63940, 73253, 86180, 94520, 96968, 99107, 108698, 121210, 127880, 146506, 172360, 198214, 217396, 242420, 271745, 293012, 366265, 396428, 434792, 484840, 495535, 543490, 586024, 732530, 792856, 991070, 1086980, 1465060, 1684819, 1982140, 2173960, 2930120, 3369638, 3964280, 6739276, 8424095, 13478552, 16848190, 33696380, 67392760]

約数ペア:

[(1, 67392760), (2, 33696380), (4, 16848190), (5, 13478552), (8, 8424095), (10, 6739276), (17, 3964280), (20, 3369638), (23, 2930120), (31, 2173960), (34, 1982140), (40, 1684819), (46, 1465060), (62, 1086980), (68, 991070), (85, 792856), (92, 732530), (115, 586024), (124, 543490), (136, 495535), (139, 484840), (155, 434792), (170, 396428), (184, 366265), (230, 293012), (248, 271745), (278, 242420), (310, 217396), (340, 198214), (391, 172360), (460, 146506), (527, 127880), (556, 121210), (620, 108698), (680, 99107), (695, 96968), (713, 94520), (782, 86180), (920, 73253), (1054, 63940), (1112, 60605), (1240, 54349), (1390, 48484), (1426, 47260), (1564, 43090), (1955, 34472), (2108, 31970), (2363, 28520), (2635, 25576), (2780, 24242), (2852, 23630), (3128, 21545), (3197, 21080), (3565, 18904), (3910, 17236), (4216, 15985), (4309, 15640), (4726, 14260), (5270, 12788), (5560, 12121), (5704, 11815), (6394, 10540), (7130, 9452), (7820, 8618)]