20121282480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{11177}}^1$

素因数の和:11783

約数の個数: 160

約数和(自身を含む): 67296567744

約数和(自身を除く): 47175285264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 577, 624, 780, 1040, 1154, 1560, 1731, 2308, 2885, 3120, 3462, 4616, 5770, 6924, 7501, 8655, 9232, 11177, 11540, 13848, 15002, 17310, 22354, 22503, 23080, 27696, 30004, 33531, 34620, 37505, 44708, 45006, 46160, 55885, 60008, 67062, 69240, 75010, 89416, 90012, 111770, 112515, 120016, 134124, 138480, 145301, 150020, 167655, 178832, 180024, 223540, 225030, 268248, 290602, 300040, 335310, 360048, 435903, 447080, 450060, 536496, 581204, 600080, 670620, 726505, 871806, 894160, 900120, 1162408, 1341240, 1453010, 1743612, 1800240, 2179515, 2324816, 2682480, 2906020, 3487224, 4359030, 5812040, 6449129, 6974448, 8718060, 11624080, 12898258, 17436120, 19347387, 25796516, 32245645, 34872240, 38694774, 51593032, 64491290, 77389548, 83838677, 96736935, 103186064, 128982580, 154779096, 167677354, 193473870, 251516031, 257965160, 309558192, 335354708, 386947740, 419193385, 503032062, 515930320, 670709416, 773895480, 838386770, 1006064124, 1257580155, 1341418832, 1547790960, 1676773540, 2012128248, 2515160310, 3353547080, 4024256496, 5030320620, 6707094160, 10060641240, 20121282480]

約数ペア:

[(1, 20121282480), (2, 10060641240), (3, 6707094160), (4, 5030320620), (5, 4024256496), (6, 3353547080), (8, 2515160310), (10, 2012128248), (12, 1676773540), (13, 1547790960), (15, 1341418832), (16, 1257580155), (20, 1006064124), (24, 838386770), (26, 773895480), (30, 670709416), (39, 515930320), (40, 503032062), (48, 419193385), (52, 386947740), (60, 335354708), (65, 309558192), (78, 257965160), (80, 251516031), (104, 193473870), (120, 167677354), (130, 154779096), (156, 128982580), (195, 103186064), (208, 96736935), (240, 83838677), (260, 77389548), (312, 64491290), (390, 51593032), (520, 38694774), (577, 34872240), (624, 32245645), (780, 25796516), (1040, 19347387), (1154, 17436120), (1560, 12898258), (1731, 11624080), (2308, 8718060), (2885, 6974448), (3120, 6449129), (3462, 5812040), (4616, 4359030), (5770, 3487224), (6924, 2906020), (7501, 2682480), (8655, 2324816), (9232, 2179515), (11177, 1800240), (11540, 1743612), (13848, 1453010), (15002, 1341240), (17310, 1162408), (22354, 900120), (22503, 894160), (23080, 871806), (27696, 726505), (30004, 670620), (33531, 600080), (34620, 581204), (37505, 536496), (44708, 450060), (45006, 447080), (46160, 435903), (55885, 360048), (60008, 335310), (67062, 300040), (69240, 290602), (75010, 268248), (89416, 225030), (90012, 223540), (111770, 180024), (112515, 178832), (120016, 167655), (134124, 150020), (138480, 145301)]