31163680

素因数分解:

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

素因数の和:210

約数の個数: 96

約数和(自身を含む): 77995008

約数和(自身を除く): 46831328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 103, 122, 124, 155, 160, 206, 244, 248, 305, 310, 412, 488, 496, 515, 610, 620, 824, 976, 992, 1030, 1220, 1240, 1648, 1891, 1952, 2060, 2440, 2480, 3193, 3296, 3782, 4120, 4880, 4960, 6283, 6386, 7564, 8240, 9455, 9760, 12566, 12772, 15128, 15965, 16480, 18910, 25132, 25544, 30256, 31415, 31930, 37820, 50264, 51088, 60512, 62830, 63860, 75640, 100528, 102176, 125660, 127720, 151280, 194773, 201056, 251320, 255440, 302560, 389546, 502640, 510880, 779092, 973865, 1005280, 1558184, 1947730, 3116368, 3895460, 6232736, 7790920, 15581840, 31163680]

約数ペア:

[(1, 31163680), (2, 15581840), (4, 7790920), (5, 6232736), (8, 3895460), (10, 3116368), (16, 1947730), (20, 1558184), (31, 1005280), (32, 973865), (40, 779092), (61, 510880), (62, 502640), (80, 389546), (103, 302560), (122, 255440), (124, 251320), (155, 201056), (160, 194773), (206, 151280), (244, 127720), (248, 125660), (305, 102176), (310, 100528), (412, 75640), (488, 63860), (496, 62830), (515, 60512), (610, 51088), (620, 50264), (824, 37820), (976, 31930), (992, 31415), (1030, 30256), (1220, 25544), (1240, 25132), (1648, 18910), (1891, 16480), (1952, 15965), (2060, 15128), (2440, 12772), (2480, 12566), (3193, 9760), (3296, 9455), (3782, 8240), (4120, 7564), (4880, 6386), (4960, 6283)]