2018795280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{13001}}^1$

素因数の和:13664

約数の個数: 80

約数和(自身を含む): 6268420224

約数和(自身を除く): 4249624944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647, 1294, 1941, 2588, 3235, 3882, 5176, 6470, 7764, 9705, 10352, 12940, 13001, 15528, 19410, 25880, 26002, 31056, 38820, 39003, 51760, 52004, 65005, 77640, 78006, 104008, 130010, 155280, 156012, 195015, 208016, 260020, 312024, 390030, 520040, 624048, 780060, 1040080, 1560120, 3120240, 8411647, 16823294, 25234941, 33646588, 42058235, 50469882, 67293176, 84116470, 100939764, 126174705, 134586352, 168232940, 201879528, 252349410, 336465880, 403759056, 504698820, 672931760, 1009397640, 2018795280]

約数ペア:

[(1, 2018795280), (2, 1009397640), (3, 672931760), (4, 504698820), (5, 403759056), (6, 336465880), (8, 252349410), (10, 201879528), (12, 168232940), (15, 134586352), (16, 126174705), (20, 100939764), (24, 84116470), (30, 67293176), (40, 50469882), (48, 42058235), (60, 33646588), (80, 25234941), (120, 16823294), (240, 8411647), (647, 3120240), (1294, 1560120), (1941, 1040080), (2588, 780060), (3235, 624048), (3882, 520040), (5176, 390030), (6470, 312024), (7764, 260020), (9705, 208016), (10352, 195015), (12940, 156012), (13001, 155280), (15528, 130010), (19410, 104008), (25880, 78006), (26002, 77640), (31056, 65005), (38820, 52004), (39003, 51760)]