231249840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 746952192

約数和(自身を除く): 515702352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 71, 80, 82, 120, 123, 142, 164, 205, 213, 240, 246, 284, 328, 331, 355, 410, 426, 492, 568, 615, 656, 662, 710, 820, 852, 984, 993, 1065, 1136, 1230, 1324, 1420, 1640, 1655, 1704, 1968, 1986, 2130, 2460, 2648, 2840, 2911, 3280, 3310, 3408, 3972, 4260, 4920, 4965, 5296, 5680, 5822, 6620, 7944, 8520, 8733, 9840, 9930, 11644, 13240, 13571, 14555, 15888, 17040, 17466, 19860, 23288, 23501, 26480, 27142, 29110, 34932, 39720, 40713, 43665, 46576, 47002, 54284, 58220, 67855, 69864, 70503, 79440, 81426, 87330, 94004, 108568, 116440, 117505, 135710, 139728, 141006, 162852, 174660, 188008, 203565, 217136, 232880, 235010, 271420, 282012, 325704, 349320, 352515, 376016, 407130, 470020, 542840, 564024, 651408, 698640, 705030, 814260, 940040, 963541, 1085680, 1128048, 1410060, 1628520, 1880080, 1927082, 2820120, 2890623, 3257040, 3854164, 4817705, 5640240, 5781246, 7708328, 9635410, 11562492, 14453115, 15416656, 19270820, 23124984, 28906230, 38541640, 46249968, 57812460, 77083280, 115624920, 231249840]

約数ペア:

[(1, 231249840), (2, 115624920), (3, 77083280), (4, 57812460), (5, 46249968), (6, 38541640), (8, 28906230), (10, 23124984), (12, 19270820), (15, 15416656), (16, 14453115), (20, 11562492), (24, 9635410), (30, 7708328), (40, 5781246), (41, 5640240), (48, 4817705), (60, 3854164), (71, 3257040), (80, 2890623), (82, 2820120), (120, 1927082), (123, 1880080), (142, 1628520), (164, 1410060), (205, 1128048), (213, 1085680), (240, 963541), (246, 940040), (284, 814260), (328, 705030), (331, 698640), (355, 651408), (410, 564024), (426, 542840), (492, 470020), (568, 407130), (615, 376016), (656, 352515), (662, 349320), (710, 325704), (820, 282012), (852, 271420), (984, 235010), (993, 232880), (1065, 217136), (1136, 203565), (1230, 188008), (1324, 174660), (1420, 162852), (1640, 141006), (1655, 139728), (1704, 135710), (1968, 117505), (1986, 116440), (2130, 108568), (2460, 94004), (2648, 87330), (2840, 81426), (2911, 79440), (3280, 70503), (3310, 69864), (3408, 67855), (3972, 58220), (4260, 54284), (4920, 47002), (4965, 46576), (5296, 43665), (5680, 40713), (5822, 39720), (6620, 34932), (7944, 29110), (8520, 27142), (8733, 26480), (9840, 23501), (9930, 23288), (11644, 19860), (13240, 17466), (13571, 17040), (14555, 15888)]