30817140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 90720000

約数和(自身を除く): 59902860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 89, 116, 145, 174, 178, 199, 267, 290, 348, 356, 398, 435, 445, 534, 580, 597, 796, 870, 890, 995, 1068, 1194, 1335, 1740, 1780, 1990, 2388, 2581, 2670, 2985, 3980, 5162, 5340, 5771, 5970, 7743, 10324, 11542, 11940, 12905, 15486, 17313, 17711, 23084, 25810, 28855, 30972, 34626, 35422, 38715, 51620, 53133, 57710, 69252, 70844, 77430, 86565, 88555, 106266, 115420, 154860, 173130, 177110, 212532, 265665, 346260, 354220, 513619, 531330, 1027238, 1062660, 1540857, 2054476, 2568095, 3081714, 5136190, 6163428, 7704285, 10272380, 15408570, 30817140]

約数ペア:

[(1, 30817140), (2, 15408570), (3, 10272380), (4, 7704285), (5, 6163428), (6, 5136190), (10, 3081714), (12, 2568095), (15, 2054476), (20, 1540857), (29, 1062660), (30, 1027238), (58, 531330), (60, 513619), (87, 354220), (89, 346260), (116, 265665), (145, 212532), (174, 177110), (178, 173130), (199, 154860), (267, 115420), (290, 106266), (348, 88555), (356, 86565), (398, 77430), (435, 70844), (445, 69252), (534, 57710), (580, 53133), (597, 51620), (796, 38715), (870, 35422), (890, 34626), (995, 30972), (1068, 28855), (1194, 25810), (1335, 23084), (1740, 17711), (1780, 17313), (1990, 15486), (2388, 12905), (2581, 11940), (2670, 11542), (2985, 10324), (3980, 7743), (5162, 5970), (5340, 5771)]