78908130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 144

約数和(自身を含む): 247286520

約数和(自身を除く): 168378390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 63, 70, 87, 90, 98, 105, 126, 145, 147, 174, 203, 210, 245, 261, 290, 294, 315, 406, 435, 441, 490, 522, 609, 617, 630, 735, 870, 882, 1015, 1218, 1234, 1305, 1421, 1470, 1827, 1851, 2030, 2205, 2610, 2842, 3045, 3085, 3654, 3702, 4263, 4319, 4410, 5553, 6090, 6170, 7105, 8526, 8638, 9135, 9255, 11106, 12789, 12957, 14210, 17893, 18270, 18510, 21315, 21595, 25578, 25914, 27765, 30233, 35786, 38871, 42630, 43190, 53679, 55530, 60466, 63945, 64785, 77742, 89465, 90699, 107358, 125251, 127890, 129570, 151165, 161037, 178930, 181398, 194355, 250502, 268395, 272097, 302330, 322074, 375753, 388710, 453495, 536790, 544194, 626255, 751506, 805185, 876757, 906990, 1127259, 1252510, 1360485, 1610370, 1753514, 1878765, 2254518, 2630271, 2720970, 3757530, 4383785, 5260542, 5636295, 7890813, 8767570, 11272590, 13151355, 15781626, 26302710, 39454065, 78908130]

約数ペア:

[(1, 78908130), (2, 39454065), (3, 26302710), (5, 15781626), (6, 13151355), (7, 11272590), (9, 8767570), (10, 7890813), (14, 5636295), (15, 5260542), (18, 4383785), (21, 3757530), (29, 2720970), (30, 2630271), (35, 2254518), (42, 1878765), (45, 1753514), (49, 1610370), (58, 1360485), (63, 1252510), (70, 1127259), (87, 906990), (90, 876757), (98, 805185), (105, 751506), (126, 626255), (145, 544194), (147, 536790), (174, 453495), (203, 388710), (210, 375753), (245, 322074), (261, 302330), (290, 272097), (294, 268395), (315, 250502), (406, 194355), (435, 181398), (441, 178930), (490, 161037), (522, 151165), (609, 129570), (617, 127890), (630, 125251), (735, 107358), (870, 90699), (882, 89465), (1015, 77742), (1218, 64785), (1234, 63945), (1305, 60466), (1421, 55530), (1470, 53679), (1827, 43190), (1851, 42630), (2030, 38871), (2205, 35786), (2610, 30233), (2842, 27765), (3045, 25914), (3085, 25578), (3654, 21595), (3702, 21315), (4263, 18510), (4319, 18270), (4410, 17893), (5553, 14210), (6090, 12957), (6170, 12789), (7105, 11106), (8526, 9255), (8638, 9135)]