778889340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1132

約数の個数: 144

約数和(自身を含む): 2512429920

約数和(自身を除く): 1733540580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 331, 340, 510, 612, 662, 765, 769, 993, 1020, 1324, 1530, 1538, 1655, 1986, 2307, 2979, 3060, 3076, 3310, 3845, 3972, 4614, 4965, 5627, 5958, 6620, 6921, 7690, 9228, 9930, 11254, 11535, 11916, 13073, 13842, 14895, 15380, 16881, 19860, 22508, 23070, 26146, 27684, 28135, 29790, 33762, 34605, 39219, 46140, 50643, 52292, 56270, 59580, 65365, 67524, 69210, 78438, 84405, 101286, 112540, 117657, 130730, 138420, 156876, 168810, 196095, 202572, 235314, 253215, 254539, 261460, 337620, 392190, 470628, 506430, 509078, 588285, 763617, 784380, 1012860, 1018156, 1176570, 1272695, 1527234, 2290851, 2353140, 2545390, 3054468, 3818085, 4327163, 4581702, 5090780, 7636170, 8654326, 9163404, 11454255, 12981489, 15272340, 17308652, 21635815, 22908510, 25962978, 38944467, 43271630, 45817020, 51925956, 64907445, 77888934, 86543260, 129814890, 155777868, 194722335, 259629780, 389444670, 778889340]

約数ペア:

[(1, 778889340), (2, 389444670), (3, 259629780), (4, 194722335), (5, 155777868), (6, 129814890), (9, 86543260), (10, 77888934), (12, 64907445), (15, 51925956), (17, 45817020), (18, 43271630), (20, 38944467), (30, 25962978), (34, 22908510), (36, 21635815), (45, 17308652), (51, 15272340), (60, 12981489), (68, 11454255), (85, 9163404), (90, 8654326), (102, 7636170), (153, 5090780), (170, 4581702), (180, 4327163), (204, 3818085), (255, 3054468), (306, 2545390), (331, 2353140), (340, 2290851), (510, 1527234), (612, 1272695), (662, 1176570), (765, 1018156), (769, 1012860), (993, 784380), (1020, 763617), (1324, 588285), (1530, 509078), (1538, 506430), (1655, 470628), (1986, 392190), (2307, 337620), (2979, 261460), (3060, 254539), (3076, 253215), (3310, 235314), (3845, 202572), (3972, 196095), (4614, 168810), (4965, 156876), (5627, 138420), (5958, 130730), (6620, 117657), (6921, 112540), (7690, 101286), (9228, 84405), (9930, 78438), (11254, 69210), (11535, 67524), (11916, 65365), (13073, 59580), (13842, 56270), (14895, 52292), (15380, 50643), (16881, 46140), (19860, 39219), (22508, 34605), (23070, 33762), (26146, 29790), (27684, 28135)]