30807960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1847}}^1$

素因数の和:2000

約数の個数: 64

約数和(自身を含む): 93139200

約数和(自身を除く): 62331240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 1847, 2085, 2780, 3336, 3694, 4170, 5541, 5560, 7388, 8340, 9235, 11082, 14776, 16680, 18470, 22164, 27705, 36940, 44328, 55410, 73880, 110820, 221640, 256733, 513466, 770199, 1026932, 1283665, 1540398, 2053864, 2567330, 3080796, 3850995, 5134660, 6161592, 7701990, 10269320, 15403980, 30807960]

約数ペア:

[(1, 30807960), (2, 15403980), (3, 10269320), (4, 7701990), (5, 6161592), (6, 5134660), (8, 3850995), (10, 3080796), (12, 2567330), (15, 2053864), (20, 1540398), (24, 1283665), (30, 1026932), (40, 770199), (60, 513466), (120, 256733), (139, 221640), (278, 110820), (417, 73880), (556, 55410), (695, 44328), (834, 36940), (1112, 27705), (1390, 22164), (1668, 18470), (1847, 16680), (2085, 14776), (2780, 11082), (3336, 9235), (3694, 8340), (4170, 7388), (5541, 5560)]