123877320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1767

約数の個数: 128

約数和(自身を含む): 429753600

約数和(自身を除く): 305876280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1657, 1780, 1869, 2136, 2492, 2670, 3115, 3314, 3560, 3738, 4971, 4984, 5340, 6230, 6628, 7476, 8285, 9345, 9942, 10680, 11599, 12460, 13256, 14952, 16570, 18690, 19884, 23198, 24855, 24920, 33140, 34797, 37380, 39768, 46396, 49710, 57995, 66280, 69594, 74760, 92792, 99420, 115990, 139188, 147473, 173985, 198840, 231980, 278376, 294946, 347970, 442419, 463960, 589892, 695940, 737365, 884838, 1032311, 1179784, 1391880, 1474730, 1769676, 2064622, 2212095, 2949460, 3096933, 3539352, 4129244, 4424190, 5161555, 5898920, 6193866, 8258488, 8848380, 10323110, 12387732, 15484665, 17696760, 20646220, 24775464, 30969330, 41292440, 61938660, 123877320]

約数ペア:

[(1, 123877320), (2, 61938660), (3, 41292440), (4, 30969330), (5, 24775464), (6, 20646220), (7, 17696760), (8, 15484665), (10, 12387732), (12, 10323110), (14, 8848380), (15, 8258488), (20, 6193866), (21, 5898920), (24, 5161555), (28, 4424190), (30, 4129244), (35, 3539352), (40, 3096933), (42, 2949460), (56, 2212095), (60, 2064622), (70, 1769676), (84, 1474730), (89, 1391880), (105, 1179784), (120, 1032311), (140, 884838), (168, 737365), (178, 695940), (210, 589892), (267, 463960), (280, 442419), (356, 347970), (420, 294946), (445, 278376), (534, 231980), (623, 198840), (712, 173985), (840, 147473), (890, 139188), (1068, 115990), (1246, 99420), (1335, 92792), (1657, 74760), (1780, 69594), (1869, 66280), (2136, 57995), (2492, 49710), (2670, 46396), (3115, 39768), (3314, 37380), (3560, 34797), (3738, 33140), (4971, 24920), (4984, 24855), (5340, 23198), (6230, 19884), (6628, 18690), (7476, 16570), (8285, 14952), (9345, 13256), (9942, 12460), (10680, 11599)]