61661240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 145035360

約数和(自身を除く): 83374120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 683, 740, 1220, 1366, 1480, 2257, 2440, 2732, 3415, 4514, 5464, 6830, 9028, 11285, 13660, 18056, 22570, 25271, 27320, 41663, 45140, 50542, 83326, 90280, 101084, 126355, 166652, 202168, 208315, 252710, 333304, 416630, 505420, 833260, 1010840, 1541531, 1666520, 3083062, 6166124, 7707655, 12332248, 15415310, 30830620, 61661240]

約数ペア:

[(1, 61661240), (2, 30830620), (4, 15415310), (5, 12332248), (8, 7707655), (10, 6166124), (20, 3083062), (37, 1666520), (40, 1541531), (61, 1010840), (74, 833260), (122, 505420), (148, 416630), (185, 333304), (244, 252710), (296, 208315), (305, 202168), (370, 166652), (488, 126355), (610, 101084), (683, 90280), (740, 83326), (1220, 50542), (1366, 45140), (1480, 41663), (2257, 27320), (2440, 25271), (2732, 22570), (3415, 18056), (4514, 13660), (5464, 11285), (6830, 9028)]