124654720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 315694080

約数和(自身を除く): 191039360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 103, 122, 124, 128, 155, 160, 206, 244, 248, 305, 310, 320, 412, 488, 496, 515, 610, 620, 640, 824, 976, 992, 1030, 1220, 1240, 1648, 1891, 1952, 1984, 2060, 2440, 2480, 3193, 3296, 3782, 3904, 3968, 4120, 4880, 4960, 6283, 6386, 6592, 7564, 7808, 8240, 9455, 9760, 9920, 12566, 12772, 13184, 15128, 15965, 16480, 18910, 19520, 19840, 25132, 25544, 30256, 31415, 31930, 32960, 37820, 39040, 50264, 51088, 60512, 62830, 63860, 65920, 75640, 100528, 102176, 121024, 125660, 127720, 151280, 194773, 201056, 204352, 242048, 251320, 255440, 302560, 389546, 402112, 408704, 502640, 510880, 605120, 779092, 804224, 973865, 1005280, 1021760, 1210240, 1558184, 1947730, 2010560, 2043520, 3116368, 3895460, 4021120, 6232736, 7790920, 12465472, 15581840, 24930944, 31163680, 62327360, 124654720]

約数ペア:

[(1, 124654720), (2, 62327360), (4, 31163680), (5, 24930944), (8, 15581840), (10, 12465472), (16, 7790920), (20, 6232736), (31, 4021120), (32, 3895460), (40, 3116368), (61, 2043520), (62, 2010560), (64, 1947730), (80, 1558184), (103, 1210240), (122, 1021760), (124, 1005280), (128, 973865), (155, 804224), (160, 779092), (206, 605120), (244, 510880), (248, 502640), (305, 408704), (310, 402112), (320, 389546), (412, 302560), (488, 255440), (496, 251320), (515, 242048), (610, 204352), (620, 201056), (640, 194773), (824, 151280), (976, 127720), (992, 125660), (1030, 121024), (1220, 102176), (1240, 100528), (1648, 75640), (1891, 65920), (1952, 63860), (1984, 62830), (2060, 60512), (2440, 51088), (2480, 50264), (3193, 39040), (3296, 37820), (3782, 32960), (3904, 31930), (3968, 31415), (4120, 30256), (4880, 25544), (4960, 25132), (6283, 19840), (6386, 19520), (6592, 18910), (7564, 16480), (7808, 15965), (8240, 15128), (9455, 13184), (9760, 12772), (9920, 12566)]