3138807040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79103}}^1$

素因数の和:79155

約数の個数: 72

約数和(自身を含む): 7761051648

約数和(自身を除く): 4622244608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 79103, 158206, 316412, 395515, 632824, 791030, 1265648, 1582060, 2452193, 2531296, 3164120, 4904386, 5062592, 6328240, 9808772, 10125184, 12260965, 12656480, 19617544, 20250368, 24521930, 25312960, 39235088, 49043860, 50625920, 78470176, 98087720, 101251840, 156940352, 196175440, 313880704, 392350880, 627761408, 784701760, 1569403520, 3138807040]

約数ペア:

[(1, 3138807040), (2, 1569403520), (4, 784701760), (5, 627761408), (8, 392350880), (10, 313880704), (16, 196175440), (20, 156940352), (31, 101251840), (32, 98087720), (40, 78470176), (62, 50625920), (64, 49043860), (80, 39235088), (124, 25312960), (128, 24521930), (155, 20250368), (160, 19617544), (248, 12656480), (256, 12260965), (310, 10125184), (320, 9808772), (496, 6328240), (620, 5062592), (640, 4904386), (992, 3164120), (1240, 2531296), (1280, 2452193), (1984, 1582060), (2480, 1265648), (3968, 791030), (4960, 632824), (7936, 395515), (9920, 316412), (19840, 158206), (39680, 79103)]