19791720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4229}}^1$

素因数の和:4259

約数の個数: 96

約数和(自身を含む): 69287400

約数和(自身を除く): 49495680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4229, 4680, 8458, 12687, 16916, 21145, 25374, 33832, 38061, 42290, 50748, 54977, 63435, 76122, 84580, 101496, 109954, 126870, 152244, 164931, 169160, 190305, 219908, 253740, 274885, 304488, 329862, 380610, 439816, 494793, 507480, 549770, 659724, 761220, 824655, 989586, 1099540, 1319448, 1522440, 1649310, 1979172, 2199080, 2473965, 3298620, 3958344, 4947930, 6597240, 9895860, 19791720]

約数ペア:

[(1, 19791720), (2, 9895860), (3, 6597240), (4, 4947930), (5, 3958344), (6, 3298620), (8, 2473965), (9, 2199080), (10, 1979172), (12, 1649310), (13, 1522440), (15, 1319448), (18, 1099540), (20, 989586), (24, 824655), (26, 761220), (30, 659724), (36, 549770), (39, 507480), (40, 494793), (45, 439816), (52, 380610), (60, 329862), (65, 304488), (72, 274885), (78, 253740), (90, 219908), (104, 190305), (117, 169160), (120, 164931), (130, 152244), (156, 126870), (180, 109954), (195, 101496), (234, 84580), (260, 76122), (312, 63435), (360, 54977), (390, 50748), (468, 42290), (520, 38061), (585, 33832), (780, 25374), (936, 21145), (1170, 16916), (1560, 12687), (2340, 8458), (4229, 4680)]