309720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 972000

約数和(自身を除く): 662280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 89, 116, 120, 145, 174, 178, 232, 267, 290, 348, 356, 435, 445, 534, 580, 696, 712, 870, 890, 1068, 1160, 1335, 1740, 1780, 2136, 2581, 2670, 3480, 3560, 5162, 5340, 7743, 10324, 10680, 12905, 15486, 20648, 25810, 30972, 38715, 51620, 61944, 77430, 103240, 154860, 309720]

約数ペア:

[(1, 309720), (2, 154860), (3, 103240), (4, 77430), (5, 61944), (6, 51620), (8, 38715), (10, 30972), (12, 25810), (15, 20648), (20, 15486), (24, 12905), (29, 10680), (30, 10324), (40, 7743), (58, 5340), (60, 5162), (87, 3560), (89, 3480), (116, 2670), (120, 2581), (145, 2136), (174, 1780), (178, 1740), (232, 1335), (267, 1160), (290, 1068), (348, 890), (356, 870), (435, 712), (445, 696), (534, 580)]