123411420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 412015968

約数和(自身を除く): 288604548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 314, 330, 396, 397, 471, 495, 628, 660, 785, 794, 942, 990, 1191, 1413, 1570, 1588, 1727, 1884, 1980, 1985, 2355, 2382, 2826, 3140, 3454, 3573, 3970, 4367, 4710, 4764, 5181, 5652, 5955, 6908, 7065, 7146, 7940, 8635, 8734, 9420, 10362, 11910, 13101, 14130, 14292, 15543, 17270, 17468, 17865, 20724, 21835, 23820, 25905, 26202, 28260, 31086, 34540, 35730, 39303, 43670, 51810, 52404, 62172, 62329, 65505, 71460, 77715, 78606, 87340, 103620, 124658, 131010, 155430, 157212, 186987, 196515, 249316, 262020, 310860, 311645, 373974, 393030, 560961, 623290, 685619, 747948, 786060, 934935, 1121922, 1246580, 1371238, 1869870, 2056857, 2243844, 2742476, 2804805, 3428095, 3739740, 4113714, 5609610, 6170571, 6856190, 8227428, 10284285, 11219220, 12341142, 13712380, 20568570, 24682284, 30852855, 41137140, 61705710, 123411420]

約数ペア:

[(1, 123411420), (2, 61705710), (3, 41137140), (4, 30852855), (5, 24682284), (6, 20568570), (9, 13712380), (10, 12341142), (11, 11219220), (12, 10284285), (15, 8227428), (18, 6856190), (20, 6170571), (22, 5609610), (30, 4113714), (33, 3739740), (36, 3428095), (44, 2804805), (45, 2742476), (55, 2243844), (60, 2056857), (66, 1869870), (90, 1371238), (99, 1246580), (110, 1121922), (132, 934935), (157, 786060), (165, 747948), (180, 685619), (198, 623290), (220, 560961), (314, 393030), (330, 373974), (396, 311645), (397, 310860), (471, 262020), (495, 249316), (628, 196515), (660, 186987), (785, 157212), (794, 155430), (942, 131010), (990, 124658), (1191, 103620), (1413, 87340), (1570, 78606), (1588, 77715), (1727, 71460), (1884, 65505), (1980, 62329), (1985, 62172), (2355, 52404), (2382, 51810), (2826, 43670), (3140, 39303), (3454, 35730), (3573, 34540), (3970, 31086), (4367, 28260), (4710, 26202), (4764, 25905), (5181, 23820), (5652, 21835), (5955, 20724), (6908, 17865), (7065, 17468), (7146, 17270), (7940, 15543), (8635, 14292), (8734, 14130), (9420, 13101), (10362, 11910)]