25378920

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 192

約数和(自身を含む): 98017920

約数和(自身を除く): 72639000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 373, 378, 405, 420, 486, 504, 540, 567, 630, 648, 746, 756, 810, 840, 945, 972, 1080, 1119, 1134, 1215, 1260, 1492, 1512, 1620, 1701, 1865, 1890, 1944, 2238, 2268, 2430, 2520, 2611, 2835, 2984, 3240, 3357, 3402, 3730, 3780, 4476, 4536, 4860, 5222, 5595, 5670, 6714, 6804, 7460, 7560, 7833, 8505, 8952, 9720, 10071, 10444, 11190, 11340, 13055, 13428, 13608, 14920, 15666, 16785, 17010, 20142, 20888, 22380, 22680, 23499, 26110, 26856, 30213, 31332, 33570, 34020, 39165, 40284, 44760, 46998, 50355, 52220, 60426, 62664, 67140, 68040, 70497, 78330, 80568, 90639, 93996, 100710, 104440, 117495, 120852, 134280, 140994, 151065, 156660, 181278, 187992, 201420, 211491, 234990, 241704, 281988, 302130, 313320, 352485, 362556, 402840, 422982, 453195, 469980, 563976, 604260, 634473, 704970, 725112, 845964, 906390, 939960, 1057455, 1208520, 1268946, 1409940, 1691928, 1812780, 2114910, 2537892, 2819880, 3172365, 3625560, 4229820, 5075784, 6344730, 8459640, 12689460, 25378920]

約数ペア:

[(1, 25378920), (2, 12689460), (3, 8459640), (4, 6344730), (5, 5075784), (6, 4229820), (7, 3625560), (8, 3172365), (9, 2819880), (10, 2537892), (12, 2114910), (14, 1812780), (15, 1691928), (18, 1409940), (20, 1268946), (21, 1208520), (24, 1057455), (27, 939960), (28, 906390), (30, 845964), (35, 725112), (36, 704970), (40, 634473), (42, 604260), (45, 563976), (54, 469980), (56, 453195), (60, 422982), (63, 402840), (70, 362556), (72, 352485), (81, 313320), (84, 302130), (90, 281988), (105, 241704), (108, 234990), (120, 211491), (126, 201420), (135, 187992), (140, 181278), (162, 156660), (168, 151065), (180, 140994), (189, 134280), (210, 120852), (216, 117495), (243, 104440), (252, 100710), (270, 93996), (280, 90639), (315, 80568), (324, 78330), (360, 70497), (373, 68040), (378, 67140), (405, 62664), (420, 60426), (486, 52220), (504, 50355), (540, 46998), (567, 44760), (630, 40284), (648, 39165), (746, 34020), (756, 33570), (810, 31332), (840, 30213), (945, 26856), (972, 26110), (1080, 23499), (1119, 22680), (1134, 22380), (1215, 20888), (1260, 20142), (1492, 17010), (1512, 16785), (1620, 15666), (1701, 14920), (1865, 13608), (1890, 13428), (1944, 13055), (2238, 11340), (2268, 11190), (2430, 10444), (2520, 10071), (2611, 9720), (2835, 8952), (2984, 8505), (3240, 7833), (3357, 7560), (3402, 7460), (3730, 6804), (3780, 6714), (4476, 5670), (4536, 5595), (4860, 5222)]