240175880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 643507200

約数和(自身を除く): 403331320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 97, 140, 148, 185, 194, 239, 259, 280, 296, 370, 388, 478, 485, 518, 679, 740, 776, 956, 970, 1036, 1195, 1295, 1358, 1480, 1673, 1912, 1940, 2072, 2390, 2590, 2716, 3346, 3395, 3589, 3880, 4780, 5180, 5432, 6692, 6790, 7178, 8365, 8843, 9560, 10360, 13384, 13580, 14356, 16730, 17686, 17945, 23183, 25123, 27160, 28712, 33460, 35372, 35890, 44215, 46366, 50246, 61901, 66920, 70744, 71780, 88430, 92732, 100492, 115915, 123802, 125615, 143560, 162281, 176860, 185464, 200984, 231830, 247604, 251230, 309505, 324562, 353720, 463660, 495208, 502460, 619010, 649124, 811405, 857771, 927320, 1004920, 1238020, 1298248, 1622810, 1715542, 2476040, 3245620, 3431084, 4288855, 6004397, 6491240, 6862168, 8577710, 12008794, 17155420, 24017588, 30021985, 34310840, 48035176, 60043970, 120087940, 240175880]

約数ペア:

[(1, 240175880), (2, 120087940), (4, 60043970), (5, 48035176), (7, 34310840), (8, 30021985), (10, 24017588), (14, 17155420), (20, 12008794), (28, 8577710), (35, 6862168), (37, 6491240), (40, 6004397), (56, 4288855), (70, 3431084), (74, 3245620), (97, 2476040), (140, 1715542), (148, 1622810), (185, 1298248), (194, 1238020), (239, 1004920), (259, 927320), (280, 857771), (296, 811405), (370, 649124), (388, 619010), (478, 502460), (485, 495208), (518, 463660), (679, 353720), (740, 324562), (776, 309505), (956, 251230), (970, 247604), (1036, 231830), (1195, 200984), (1295, 185464), (1358, 176860), (1480, 162281), (1673, 143560), (1912, 125615), (1940, 123802), (2072, 115915), (2390, 100492), (2590, 92732), (2716, 88430), (3346, 71780), (3395, 70744), (3589, 66920), (3880, 61901), (4780, 50246), (5180, 46366), (5432, 44215), (6692, 35890), (6790, 35372), (7178, 33460), (8365, 28712), (8843, 27160), (9560, 25123), (10360, 23183), (13384, 17945), (13580, 17686), (14356, 16730)]