18890331120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{846341}}^1$

素因数の和:846391

約数の個数: 120

約数和(自身を含む): 65486558592

約数和(自身を除く): 46596227472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 846341, 1692682, 2539023, 3385364, 4231705, 5078046, 6770728, 7617069, 8463410, 10156092, 12695115, 13541456, 15234138, 16926820, 20312184, 25390230, 26236571, 30468276, 33853640, 38085345, 40624368, 50780460, 52473142, 60936552, 67707280, 76170690, 78709713, 101560920, 104946284, 121873104, 131182855, 152341380, 157419426, 203121840, 209892568, 236129139, 262365710, 304682760, 314838852, 393548565, 419785136, 472258278, 524731420, 609365520, 629677704, 787097130, 944516556, 1049462840, 1180645695, 1259355408, 1574194260, 1889033112, 2098925680, 2361291390, 3148388520, 3778066224, 4722582780, 6296777040, 9445165560, 18890331120]

約数ペア:

[(1, 18890331120), (2, 9445165560), (3, 6296777040), (4, 4722582780), (5, 3778066224), (6, 3148388520), (8, 2361291390), (9, 2098925680), (10, 1889033112), (12, 1574194260), (15, 1259355408), (16, 1180645695), (18, 1049462840), (20, 944516556), (24, 787097130), (30, 629677704), (31, 609365520), (36, 524731420), (40, 472258278), (45, 419785136), (48, 393548565), (60, 314838852), (62, 304682760), (72, 262365710), (80, 236129139), (90, 209892568), (93, 203121840), (120, 157419426), (124, 152341380), (144, 131182855), (155, 121873104), (180, 104946284), (186, 101560920), (240, 78709713), (248, 76170690), (279, 67707280), (310, 60936552), (360, 52473142), (372, 50780460), (465, 40624368), (496, 38085345), (558, 33853640), (620, 30468276), (720, 26236571), (744, 25390230), (930, 20312184), (1116, 16926820), (1240, 15234138), (1395, 13541456), (1488, 12695115), (1860, 10156092), (2232, 8463410), (2480, 7617069), (2790, 6770728), (3720, 5078046), (4464, 4231705), (5580, 3385364), (7440, 2539023), (11160, 1692682), (22320, 846341)]