212562780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 642524064

約数和(自身を除く): 429961284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 37, 46, 60, 69, 74, 92, 111, 115, 138, 148, 181, 185, 222, 230, 276, 345, 362, 370, 444, 460, 529, 543, 555, 690, 724, 740, 851, 905, 1058, 1086, 1110, 1380, 1587, 1702, 1810, 2116, 2172, 2220, 2553, 2645, 2715, 3174, 3404, 3620, 4163, 4255, 5106, 5290, 5430, 6348, 6697, 7935, 8326, 8510, 10212, 10580, 10860, 12489, 12765, 13394, 15870, 16652, 17020, 19573, 20091, 20815, 24978, 25530, 26788, 31740, 33485, 39146, 40182, 41630, 49956, 51060, 58719, 62445, 66970, 78292, 80364, 83260, 95749, 97865, 100455, 117438, 124890, 133940, 154031, 191498, 195730, 200910, 234876, 249780, 287247, 293595, 308062, 382996, 391460, 401820, 462093, 478745, 574494, 587190, 616124, 770155, 924186, 957490, 1148988, 1174380, 1436235, 1540310, 1848372, 1914980, 2310465, 2872470, 3080620, 3542713, 4620930, 5744940, 7085426, 9241860, 10628139, 14170852, 17713565, 21256278, 35427130, 42512556, 53140695, 70854260, 106281390, 212562780]

約数ペア:

[(1, 212562780), (2, 106281390), (3, 70854260), (4, 53140695), (5, 42512556), (6, 35427130), (10, 21256278), (12, 17713565), (15, 14170852), (20, 10628139), (23, 9241860), (30, 7085426), (37, 5744940), (46, 4620930), (60, 3542713), (69, 3080620), (74, 2872470), (92, 2310465), (111, 1914980), (115, 1848372), (138, 1540310), (148, 1436235), (181, 1174380), (185, 1148988), (222, 957490), (230, 924186), (276, 770155), (345, 616124), (362, 587190), (370, 574494), (444, 478745), (460, 462093), (529, 401820), (543, 391460), (555, 382996), (690, 308062), (724, 293595), (740, 287247), (851, 249780), (905, 234876), (1058, 200910), (1086, 195730), (1110, 191498), (1380, 154031), (1587, 133940), (1702, 124890), (1810, 117438), (2116, 100455), (2172, 97865), (2220, 95749), (2553, 83260), (2645, 80364), (2715, 78292), (3174, 66970), (3404, 62445), (3620, 58719), (4163, 51060), (4255, 49956), (5106, 41630), (5290, 40182), (5430, 39146), (6348, 33485), (6697, 31740), (7935, 26788), (8326, 25530), (8510, 24978), (10212, 20815), (10580, 20091), (10860, 19573), (12489, 17020), (12765, 16652), (13394, 15870)]