641471760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{890933}}^1$

素因数の和:890952

約数の個数: 60

約数和(自身を含む): 2154278412

約数和(自身を除く): 1512806652

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 890933, 1781866, 2672799, 3563732, 4454665, 5345598, 7127464, 8018397, 8909330, 10691196, 13363995, 14254928, 16036794, 17818660, 21382392, 26727990, 32073588, 35637320, 40091985, 42764784, 53455980, 64147176, 71274640, 80183970, 106911960, 128294352, 160367940, 213823920, 320735880, 641471760]

約数ペア:

[(1, 641471760), (2, 320735880), (3, 213823920), (4, 160367940), (5, 128294352), (6, 106911960), (8, 80183970), (9, 71274640), (10, 64147176), (12, 53455980), (15, 42764784), (16, 40091985), (18, 35637320), (20, 32073588), (24, 26727990), (30, 21382392), (36, 17818660), (40, 16036794), (45, 14254928), (48, 13363995), (60, 10691196), (72, 8909330), (80, 8018397), (90, 7127464), (120, 5345598), (144, 4454665), (180, 3563732), (240, 2672799), (360, 1781866), (720, 890933)]