205989660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8233}}^1$

素因数の和:8387

約数の個数: 72

約数和(自身を含む): 629406960

約数和(自身を除く): 423417300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8233, 8340, 12510, 16466, 24699, 25020, 32932, 41165, 49398, 74097, 82330, 98796, 123495, 148194, 164660, 246990, 296388, 370485, 493980, 740970, 1144387, 1481940, 2288774, 3433161, 4577548, 5721935, 6866322, 10299483, 11443870, 13732644, 17165805, 20598966, 22887740, 34331610, 41197932, 51497415, 68663220, 102994830, 205989660]

約数ペア:

[(1, 205989660), (2, 102994830), (3, 68663220), (4, 51497415), (5, 41197932), (6, 34331610), (9, 22887740), (10, 20598966), (12, 17165805), (15, 13732644), (18, 11443870), (20, 10299483), (30, 6866322), (36, 5721935), (45, 4577548), (60, 3433161), (90, 2288774), (139, 1481940), (180, 1144387), (278, 740970), (417, 493980), (556, 370485), (695, 296388), (834, 246990), (1251, 164660), (1390, 148194), (1668, 123495), (2085, 98796), (2502, 82330), (2780, 74097), (4170, 49398), (5004, 41165), (6255, 32932), (8233, 25020), (8340, 24699), (12510, 16466)]