21872280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1613}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 66238560

約数和(自身を除く): 44366280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1613, 1695, 2260, 2712, 3226, 3390, 4520, 4839, 6452, 6780, 8065, 9678, 12904, 13560, 16130, 19356, 24195, 32260, 38712, 48390, 64520, 96780, 182269, 193560, 364538, 546807, 729076, 911345, 1093614, 1458152, 1822690, 2187228, 2734035, 3645380, 4374456, 5468070, 7290760, 10936140, 21872280]

約数ペア:

[(1, 21872280), (2, 10936140), (3, 7290760), (4, 5468070), (5, 4374456), (6, 3645380), (8, 2734035), (10, 2187228), (12, 1822690), (15, 1458152), (20, 1093614), (24, 911345), (30, 729076), (40, 546807), (60, 364538), (113, 193560), (120, 182269), (226, 96780), (339, 64520), (452, 48390), (565, 38712), (678, 32260), (904, 24195), (1130, 19356), (1356, 16130), (1613, 13560), (1695, 12904), (2260, 9678), (2712, 8065), (3226, 6780), (3390, 6452), (4520, 4839)]