68448900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17551}}^1$

素因数の和:17581

約数の個数: 72

約数和(自身を含む): 213291904

約数和(自身を除く): 144843004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 17551, 35102, 52653, 70204, 87755, 105306, 175510, 210612, 228163, 263265, 351020, 438775, 456326, 526530, 684489, 877550, 912652, 1053060, 1140815, 1316325, 1368978, 1755100, 2281630, 2632650, 2737956, 3422445, 4563260, 5265300, 5704075, 6844890, 11408150, 13689780, 17112225, 22816300, 34224450, 68448900]

約数ペア:

[(1, 68448900), (2, 34224450), (3, 22816300), (4, 17112225), (5, 13689780), (6, 11408150), (10, 6844890), (12, 5704075), (13, 5265300), (15, 4563260), (20, 3422445), (25, 2737956), (26, 2632650), (30, 2281630), (39, 1755100), (50, 1368978), (52, 1316325), (60, 1140815), (65, 1053060), (75, 912652), (78, 877550), (100, 684489), (130, 526530), (150, 456326), (156, 438775), (195, 351020), (260, 263265), (300, 228163), (325, 210612), (390, 175510), (650, 105306), (780, 87755), (975, 70204), (1300, 52653), (1950, 35102), (3900, 17551)]