77486940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 250723200

約数和(自身を除く): 173236260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 139, 163, 171, 180, 190, 228, 278, 285, 326, 342, 380, 417, 489, 556, 570, 652, 684, 695, 815, 834, 855, 978, 1140, 1251, 1390, 1467, 1630, 1668, 1710, 1956, 2085, 2445, 2502, 2641, 2780, 2934, 3097, 3260, 3420, 4170, 4890, 5004, 5282, 5868, 6194, 6255, 7335, 7923, 8340, 9291, 9780, 10564, 12388, 12510, 13205, 14670, 15485, 15846, 18582, 22657, 23769, 25020, 26410, 27873, 29340, 30970, 31692, 37164, 39615, 45314, 46455, 47538, 52820, 55746, 61940, 67971, 79230, 90628, 92910, 95076, 111492, 113285, 118845, 135942, 139365, 158460, 185820, 203913, 226570, 237690, 271884, 278730, 339855, 407826, 430483, 453140, 475380, 557460, 679710, 815652, 860966, 1019565, 1291449, 1359420, 1721932, 2039130, 2152415, 2582898, 3874347, 4078260, 4304830, 5165796, 6457245, 7748694, 8609660, 12914490, 15497388, 19371735, 25828980, 38743470, 77486940]

約数ペア:

[(1, 77486940), (2, 38743470), (3, 25828980), (4, 19371735), (5, 15497388), (6, 12914490), (9, 8609660), (10, 7748694), (12, 6457245), (15, 5165796), (18, 4304830), (19, 4078260), (20, 3874347), (30, 2582898), (36, 2152415), (38, 2039130), (45, 1721932), (57, 1359420), (60, 1291449), (76, 1019565), (90, 860966), (95, 815652), (114, 679710), (139, 557460), (163, 475380), (171, 453140), (180, 430483), (190, 407826), (228, 339855), (278, 278730), (285, 271884), (326, 237690), (342, 226570), (380, 203913), (417, 185820), (489, 158460), (556, 139365), (570, 135942), (652, 118845), (684, 113285), (695, 111492), (815, 95076), (834, 92910), (855, 90628), (978, 79230), (1140, 67971), (1251, 61940), (1390, 55746), (1467, 52820), (1630, 47538), (1668, 46455), (1710, 45314), (1956, 39615), (2085, 37164), (2445, 31692), (2502, 30970), (2641, 29340), (2780, 27873), (2934, 26410), (3097, 25020), (3260, 23769), (3420, 22657), (4170, 18582), (4890, 15846), (5004, 15485), (5282, 14670), (5868, 13205), (6194, 12510), (6255, 12388), (7335, 10564), (7923, 9780), (8340, 9291)]