620732840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5501}}^1$

素因数の和:5563

約数の個数: 128

約数和(自身を含む): 1774725120

約数和(自身を除く): 1153992280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5501, 5642, 8060, 8680, 11002, 11284, 14105, 16120, 22004, 22568, 27505, 28210, 38507, 44008, 55010, 56420, 71513, 77014, 110020, 112840, 143026, 154028, 170531, 192535, 220040, 286052, 308056, 341062, 357565, 385070, 500591, 572104, 682124, 715130, 770140, 852655, 1001182, 1193717, 1364248, 1430260, 1540280, 1705310, 2002364, 2216903, 2387434, 2502955, 2860520, 3410620, 4004728, 4433806, 4774868, 5005910, 5968585, 6821240, 8867612, 9549736, 10011820, 11084515, 11937170, 15518321, 17735224, 20023640, 22169030, 23874340, 31036642, 44338060, 47748680, 62073284, 77591605, 88676120, 124146568, 155183210, 310366420, 620732840]

約数ペア:

[(1, 620732840), (2, 310366420), (4, 155183210), (5, 124146568), (7, 88676120), (8, 77591605), (10, 62073284), (13, 47748680), (14, 44338060), (20, 31036642), (26, 23874340), (28, 22169030), (31, 20023640), (35, 17735224), (40, 15518321), (52, 11937170), (56, 11084515), (62, 10011820), (65, 9549736), (70, 8867612), (91, 6821240), (104, 5968585), (124, 5005910), (130, 4774868), (140, 4433806), (155, 4004728), (182, 3410620), (217, 2860520), (248, 2502955), (260, 2387434), (280, 2216903), (310, 2002364), (364, 1705310), (403, 1540280), (434, 1430260), (455, 1364248), (520, 1193717), (620, 1001182), (728, 852655), (806, 770140), (868, 715130), (910, 682124), (1085, 572104), (1240, 500591), (1612, 385070), (1736, 357565), (1820, 341062), (2015, 308056), (2170, 286052), (2821, 220040), (3224, 192535), (3640, 170531), (4030, 154028), (4340, 143026), (5501, 112840), (5642, 110020), (8060, 77014), (8680, 71513), (11002, 56420), (11284, 55010), (14105, 44008), (16120, 38507), (22004, 28210), (22568, 27505)]