2815854340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 6806721600

約数和(自身を除く): 3990867260

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 163, 169, 190, 247, 260, 269, 326, 338, 380, 494, 538, 652, 676, 815, 845, 988, 1076, 1235, 1345, 1630, 1690, 2119, 2470, 2690, 3097, 3211, 3260, 3380, 3497, 4238, 4940, 5111, 5380, 6194, 6422, 6994, 8476, 10222, 10595, 12388, 12844, 13988, 15485, 16055, 17485, 20444, 21190, 25555, 27547, 30970, 32110, 34970, 40261, 42380, 43847, 45461, 51110, 55094, 61940, 64220, 66443, 69940, 80522, 87694, 90922, 102220, 110188, 132886, 137735, 161044, 175388, 181844, 201305, 219235, 227305, 265772, 275470, 332215, 402610, 438470, 454610, 523393, 550940, 570011, 664430, 805220, 833093, 863759, 876940, 909220, 1046786, 1140022, 1328860, 1666186, 1727518, 2093572, 2280044, 2616965, 2850055, 3332372, 3455036, 4165465, 4318795, 5233930, 5700110, 7410143, 8330930, 8637590, 10467860, 10830209, 11400220, 14820286, 16661860, 17275180, 21660418, 29640572, 37050715, 43320836, 54151045, 74101430, 108302090, 140792717, 148202860, 216604180, 281585434, 563170868, 703963585, 1407927170, 2815854340]

約数ペア:

[(1, 2815854340), (2, 1407927170), (4, 703963585), (5, 563170868), (10, 281585434), (13, 216604180), (19, 148202860), (20, 140792717), (26, 108302090), (38, 74101430), (52, 54151045), (65, 43320836), (76, 37050715), (95, 29640572), (130, 21660418), (163, 17275180), (169, 16661860), (190, 14820286), (247, 11400220), (260, 10830209), (269, 10467860), (326, 8637590), (338, 8330930), (380, 7410143), (494, 5700110), (538, 5233930), (652, 4318795), (676, 4165465), (815, 3455036), (845, 3332372), (988, 2850055), (1076, 2616965), (1235, 2280044), (1345, 2093572), (1630, 1727518), (1690, 1666186), (2119, 1328860), (2470, 1140022), (2690, 1046786), (3097, 909220), (3211, 876940), (3260, 863759), (3380, 833093), (3497, 805220), (4238, 664430), (4940, 570011), (5111, 550940), (5380, 523393), (6194, 454610), (6422, 438470), (6994, 402610), (8476, 332215), (10222, 275470), (10595, 265772), (12388, 227305), (12844, 219235), (13988, 201305), (15485, 181844), (16055, 175388), (17485, 161044), (20444, 137735), (21190, 132886), (25555, 110188), (27547, 102220), (30970, 90922), (32110, 87694), (34970, 80522), (40261, 69940), (42380, 66443), (43847, 64220), (45461, 61940), (51110, 55094)]