18273480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 58320000

約数和(自身を除く): 40046520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 89, 116, 118, 120, 145, 174, 177, 178, 232, 236, 267, 290, 295, 348, 354, 356, 435, 445, 472, 534, 580, 590, 696, 708, 712, 870, 885, 890, 1068, 1160, 1180, 1335, 1416, 1711, 1740, 1770, 1780, 2136, 2360, 2581, 2670, 3422, 3480, 3540, 3560, 5133, 5162, 5251, 5340, 6844, 7080, 7743, 8555, 10266, 10324, 10502, 10680, 12905, 13688, 15486, 15753, 17110, 20532, 20648, 21004, 25665, 25810, 26255, 30972, 31506, 34220, 38715, 41064, 42008, 51330, 51620, 52510, 61944, 63012, 68440, 77430, 78765, 102660, 103240, 105020, 126024, 152279, 154860, 157530, 205320, 210040, 304558, 309720, 315060, 456837, 609116, 630120, 761395, 913674, 1218232, 1522790, 1827348, 2284185, 3045580, 3654696, 4568370, 6091160, 9136740, 18273480]

約数ペア:

[(1, 18273480), (2, 9136740), (3, 6091160), (4, 4568370), (5, 3654696), (6, 3045580), (8, 2284185), (10, 1827348), (12, 1522790), (15, 1218232), (20, 913674), (24, 761395), (29, 630120), (30, 609116), (40, 456837), (58, 315060), (59, 309720), (60, 304558), (87, 210040), (89, 205320), (116, 157530), (118, 154860), (120, 152279), (145, 126024), (174, 105020), (177, 103240), (178, 102660), (232, 78765), (236, 77430), (267, 68440), (290, 63012), (295, 61944), (348, 52510), (354, 51620), (356, 51330), (435, 42008), (445, 41064), (472, 38715), (534, 34220), (580, 31506), (590, 30972), (696, 26255), (708, 25810), (712, 25665), (870, 21004), (885, 20648), (890, 20532), (1068, 17110), (1160, 15753), (1180, 15486), (1335, 13688), (1416, 12905), (1711, 10680), (1740, 10502), (1770, 10324), (1780, 10266), (2136, 8555), (2360, 7743), (2581, 7080), (2670, 6844), (3422, 5340), (3480, 5251), (3540, 5162), (3560, 5133)]