144746840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 403107840

約数和(自身を除く): 258361000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 136, 140, 170, 188, 235, 238, 280, 329, 340, 376, 470, 476, 595, 647, 658, 680, 799, 940, 952, 1190, 1294, 1316, 1598, 1645, 1880, 2380, 2588, 2632, 3196, 3235, 3290, 3995, 4529, 4760, 5176, 5593, 6392, 6470, 6580, 7990, 9058, 10999, 11186, 12940, 13160, 15980, 18116, 21998, 22372, 22645, 25880, 27965, 30409, 31960, 36232, 43996, 44744, 45290, 54995, 55930, 60818, 76993, 87992, 90580, 109990, 111860, 121636, 152045, 153986, 181160, 212863, 219980, 223720, 243272, 304090, 307972, 384965, 425726, 439960, 516953, 608180, 615944, 769930, 851452, 1033906, 1064315, 1216360, 1539860, 1702904, 2067812, 2128630, 2584765, 3079720, 3618671, 4135624, 4257260, 5169530, 7237342, 8514520, 10339060, 14474684, 18093355, 20678120, 28949368, 36186710, 72373420, 144746840]

約数ペア:

[(1, 144746840), (2, 72373420), (4, 36186710), (5, 28949368), (7, 20678120), (8, 18093355), (10, 14474684), (14, 10339060), (17, 8514520), (20, 7237342), (28, 5169530), (34, 4257260), (35, 4135624), (40, 3618671), (47, 3079720), (56, 2584765), (68, 2128630), (70, 2067812), (85, 1702904), (94, 1539860), (119, 1216360), (136, 1064315), (140, 1033906), (170, 851452), (188, 769930), (235, 615944), (238, 608180), (280, 516953), (329, 439960), (340, 425726), (376, 384965), (470, 307972), (476, 304090), (595, 243272), (647, 223720), (658, 219980), (680, 212863), (799, 181160), (940, 153986), (952, 152045), (1190, 121636), (1294, 111860), (1316, 109990), (1598, 90580), (1645, 87992), (1880, 76993), (2380, 60818), (2588, 55930), (2632, 54995), (3196, 45290), (3235, 44744), (3290, 43996), (3995, 36232), (4529, 31960), (4760, 30409), (5176, 27965), (5593, 25880), (6392, 22645), (6470, 22372), (6580, 21998), (7990, 18116), (9058, 15980), (10999, 13160), (11186, 12940)]