2015549320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 4849827840

約数和(自身を除く): 2834278520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 103, 124, 155, 172, 206, 215, 248, 310, 344, 367, 412, 430, 515, 620, 734, 824, 860, 1030, 1240, 1333, 1468, 1720, 1835, 2060, 2666, 2936, 3193, 3670, 4120, 4429, 5332, 6386, 6665, 7340, 8858, 10664, 11377, 12772, 13330, 14680, 15781, 15965, 17716, 22145, 22754, 25544, 26660, 31562, 31930, 35432, 37801, 44290, 45508, 53320, 56885, 63124, 63860, 75602, 78905, 88580, 91016, 113770, 126248, 127720, 137299, 151204, 157810, 177160, 189005, 227540, 274598, 302408, 315620, 378010, 455080, 489211, 549196, 631240, 686495, 756020, 978422, 1098392, 1171831, 1372990, 1512040, 1625443, 1956844, 2343662, 2446055, 2745980, 3250886, 3913688, 4687324, 4892110, 5491960, 5859155, 6501772, 8127215, 9374648, 9784220, 11718310, 13003544, 16254430, 19568440, 23436620, 32508860, 46873240, 50388733, 65017720, 100777466, 201554932, 251943665, 403109864, 503887330, 1007774660, 2015549320]

約数ペア:

[(1, 2015549320), (2, 1007774660), (4, 503887330), (5, 403109864), (8, 251943665), (10, 201554932), (20, 100777466), (31, 65017720), (40, 50388733), (43, 46873240), (62, 32508860), (86, 23436620), (103, 19568440), (124, 16254430), (155, 13003544), (172, 11718310), (206, 9784220), (215, 9374648), (248, 8127215), (310, 6501772), (344, 5859155), (367, 5491960), (412, 4892110), (430, 4687324), (515, 3913688), (620, 3250886), (734, 2745980), (824, 2446055), (860, 2343662), (1030, 1956844), (1240, 1625443), (1333, 1512040), (1468, 1372990), (1720, 1171831), (1835, 1098392), (2060, 978422), (2666, 756020), (2936, 686495), (3193, 631240), (3670, 549196), (4120, 489211), (4429, 455080), (5332, 378010), (6386, 315620), (6665, 302408), (7340, 274598), (8858, 227540), (10664, 189005), (11377, 177160), (12772, 157810), (13330, 151204), (14680, 137299), (15781, 127720), (15965, 126248), (17716, 113770), (22145, 91016), (22754, 88580), (25544, 78905), (26660, 75602), (31562, 63860), (31930, 63124), (35432, 56885), (37801, 53320), (44290, 45508)]