320139990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5333}}^1$

素因数の和:5398

約数の個数: 96

約数和(自身を含む): 898672320

約数和(自身を除く): 578532330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 29, 30, 45, 46, 58, 69, 87, 90, 115, 138, 145, 174, 207, 230, 261, 290, 345, 414, 435, 522, 667, 690, 870, 1035, 1305, 1334, 2001, 2070, 2610, 3335, 4002, 5333, 6003, 6670, 10005, 10666, 12006, 15999, 20010, 26665, 30015, 31998, 47997, 53330, 60030, 79995, 95994, 122659, 154657, 159990, 239985, 245318, 309314, 367977, 463971, 479970, 613295, 735954, 773285, 927942, 1103931, 1226590, 1391913, 1546570, 1839885, 2207862, 2319855, 2783826, 3557111, 3679770, 4639710, 5519655, 6959565, 7114222, 10671333, 11039310, 13919130, 17785555, 21342666, 32013999, 35571110, 53356665, 64027998, 106713330, 160069995, 320139990]

約数ペア:

[(1, 320139990), (2, 160069995), (3, 106713330), (5, 64027998), (6, 53356665), (9, 35571110), (10, 32013999), (15, 21342666), (18, 17785555), (23, 13919130), (29, 11039310), (30, 10671333), (45, 7114222), (46, 6959565), (58, 5519655), (69, 4639710), (87, 3679770), (90, 3557111), (115, 2783826), (138, 2319855), (145, 2207862), (174, 1839885), (207, 1546570), (230, 1391913), (261, 1226590), (290, 1103931), (345, 927942), (414, 773285), (435, 735954), (522, 613295), (667, 479970), (690, 463971), (870, 367977), (1035, 309314), (1305, 245318), (1334, 239985), (2001, 159990), (2070, 154657), (2610, 122659), (3335, 95994), (4002, 79995), (5333, 60030), (6003, 53330), (6670, 47997), (10005, 31998), (10666, 30015), (12006, 26665), (15999, 20010)]