40687360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 117734400

約数和(自身を除く): 77047040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 239, 256, 266, 280, 304, 320, 380, 448, 478, 532, 560, 608, 640, 665, 760, 896, 956, 1064, 1120, 1195, 1216, 1280, 1330, 1520, 1673, 1792, 1912, 2128, 2240, 2390, 2432, 2660, 3040, 3346, 3824, 4256, 4480, 4541, 4780, 4864, 5320, 6080, 6692, 7648, 8365, 8512, 8960, 9082, 9560, 10640, 12160, 13384, 15296, 16730, 17024, 18164, 19120, 21280, 22705, 24320, 26768, 30592, 31787, 33460, 34048, 36328, 38240, 42560, 45410, 53536, 61184, 63574, 66920, 72656, 76480, 85120, 90820, 107072, 127148, 133840, 145312, 152960, 158935, 170240, 181640, 214144, 254296, 267680, 290624, 305920, 317870, 363280, 428288, 508592, 535360, 581248, 635740, 726560, 1017184, 1070720, 1162496, 1271480, 1453120, 2034368, 2141440, 2542960, 2906240, 4068736, 5085920, 5812480, 8137472, 10171840, 20343680, 40687360]

約数ペア:

[(1, 40687360), (2, 20343680), (4, 10171840), (5, 8137472), (7, 5812480), (8, 5085920), (10, 4068736), (14, 2906240), (16, 2542960), (19, 2141440), (20, 2034368), (28, 1453120), (32, 1271480), (35, 1162496), (38, 1070720), (40, 1017184), (56, 726560), (64, 635740), (70, 581248), (76, 535360), (80, 508592), (95, 428288), (112, 363280), (128, 317870), (133, 305920), (140, 290624), (152, 267680), (160, 254296), (190, 214144), (224, 181640), (239, 170240), (256, 158935), (266, 152960), (280, 145312), (304, 133840), (320, 127148), (380, 107072), (448, 90820), (478, 85120), (532, 76480), (560, 72656), (608, 66920), (640, 63574), (665, 61184), (760, 53536), (896, 45410), (956, 42560), (1064, 38240), (1120, 36328), (1195, 34048), (1216, 33460), (1280, 31787), (1330, 30592), (1520, 26768), (1673, 24320), (1792, 22705), (1912, 21280), (2128, 19120), (2240, 18164), (2390, 17024), (2432, 16730), (2660, 15296), (3040, 13384), (3346, 12160), (3824, 10640), (4256, 9560), (4480, 9082), (4541, 8960), (4780, 8512), (4864, 8365), (5320, 7648), (6080, 6692)]