40408320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 136866240

約数和(自身を除く): 96457920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 619, 640, 680, 768, 816, 960, 1020, 1088, 1238, 1280, 1360, 1632, 1857, 1920, 2040, 2176, 2476, 2720, 3095, 3264, 3714, 3840, 4080, 4352, 4952, 5440, 6190, 6528, 7428, 8160, 9285, 9904, 10523, 10880, 12380, 13056, 14856, 16320, 18570, 19808, 21046, 21760, 24760, 29712, 31569, 32640, 37140, 39616, 42092, 49520, 52615, 59424, 63138, 65280, 74280, 79232, 84184, 99040, 105230, 118848, 126276, 148560, 157845, 158464, 168368, 198080, 210460, 237696, 252552, 297120, 315690, 336736, 396160, 420920, 475392, 505104, 594240, 631380, 673472, 792320, 841840, 1010208, 1188480, 1262760, 1346944, 1683680, 2020416, 2376960, 2525520, 2693888, 3367360, 4040832, 5051040, 6734720, 8081664, 10102080, 13469440, 20204160, 40408320]

約数ペア:

[(1, 40408320), (2, 20204160), (3, 13469440), (4, 10102080), (5, 8081664), (6, 6734720), (8, 5051040), (10, 4040832), (12, 3367360), (15, 2693888), (16, 2525520), (17, 2376960), (20, 2020416), (24, 1683680), (30, 1346944), (32, 1262760), (34, 1188480), (40, 1010208), (48, 841840), (51, 792320), (60, 673472), (64, 631380), (68, 594240), (80, 505104), (85, 475392), (96, 420920), (102, 396160), (120, 336736), (128, 315690), (136, 297120), (160, 252552), (170, 237696), (192, 210460), (204, 198080), (240, 168368), (255, 158464), (256, 157845), (272, 148560), (320, 126276), (340, 118848), (384, 105230), (408, 99040), (480, 84184), (510, 79232), (544, 74280), (619, 65280), (640, 63138), (680, 59424), (768, 52615), (816, 49520), (960, 42092), (1020, 39616), (1088, 37140), (1238, 32640), (1280, 31569), (1360, 29712), (1632, 24760), (1857, 21760), (1920, 21046), (2040, 19808), (2176, 18570), (2476, 16320), (2720, 14856), (3095, 13056), (3264, 12380), (3714, 10880), (3840, 10523), (4080, 9904), (4352, 9285), (4952, 8160), (5440, 7428), (6190, 6528)]