61223940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2447}}^1$

素因数の和:2601

約数の個数: 72

約数和(自身を含む): 187125120

約数和(自身を除く): 125901180

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, 2447, 2502, 2780, 4170, 4894, 5004, 6255, 7341, 8340, 9788, 12235, 12510, 14682, 22023, 24470, 25020, 29364, 36705, 44046, 48940, 73410, 88092, 110115, 146820, 220230, 340133, 440460, 680266, 1020399, 1360532, 1700665, 2040798, 3061197, 3401330, 4081596, 5101995, 6122394, 6802660, 10203990, 12244788, 15305985, 20407980, 30611970, 61223940]

約数ペア:

[(1, 61223940), (2, 30611970), (3, 20407980), (4, 15305985), (5, 12244788), (6, 10203990), (9, 6802660), (10, 6122394), (12, 5101995), (15, 4081596), (18, 3401330), (20, 3061197), (30, 2040798), (36, 1700665), (45, 1360532), (60, 1020399), (90, 680266), (139, 440460), (180, 340133), (278, 220230), (417, 146820), (556, 110115), (695, 88092), (834, 73410), (1251, 48940), (1390, 44046), (1668, 36705), (2085, 29364), (2447, 25020), (2502, 24470), (2780, 22023), (4170, 14682), (4894, 12510), (5004, 12235), (6255, 9788), (7341, 8340)]