631546880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 176

約数和(自身を含む): 1641268224

約数和(自身を除く): 1009721344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 173, 184, 230, 248, 256, 310, 320, 346, 368, 460, 496, 512, 620, 640, 692, 713, 736, 865, 920, 992, 1024, 1240, 1280, 1384, 1426, 1472, 1730, 1840, 1984, 2480, 2560, 2768, 2852, 2944, 3460, 3565, 3680, 3968, 3979, 4960, 5120, 5363, 5536, 5704, 5888, 6920, 7130, 7360, 7936, 7958, 9920, 10726, 11072, 11408, 11776, 13840, 14260, 14720, 15872, 15916, 19840, 19895, 21452, 22144, 22816, 23552, 26815, 27680, 28520, 29440, 31744, 31832, 39680, 39790, 42904, 44288, 45632, 53630, 55360, 57040, 58880, 63664, 79360, 79580, 85808, 88576, 91264, 107260, 110720, 114080, 117760, 123349, 127328, 158720, 159160, 171616, 177152, 182528, 214520, 221440, 228160, 246698, 254656, 318320, 343232, 365056, 429040, 442880, 456320, 493396, 509312, 616745, 636640, 686464, 730112, 858080, 885760, 912640, 986792, 1018624, 1233490, 1273280, 1372928, 1716160, 1825280, 1973584, 2037248, 2466980, 2546560, 2745856, 3432320, 3650560, 3947168, 4074496, 4933960, 5093120, 5491712, 6864640, 7894336, 9867920, 10186240, 13729280, 15788672, 19735840, 20372480, 27458560, 31577344, 39471680, 63154688, 78943360, 126309376, 157886720, 315773440, 631546880]

約数ペア:

[(1, 631546880), (2, 315773440), (4, 157886720), (5, 126309376), (8, 78943360), (10, 63154688), (16, 39471680), (20, 31577344), (23, 27458560), (31, 20372480), (32, 19735840), (40, 15788672), (46, 13729280), (62, 10186240), (64, 9867920), (80, 7894336), (92, 6864640), (115, 5491712), (124, 5093120), (128, 4933960), (155, 4074496), (160, 3947168), (173, 3650560), (184, 3432320), (230, 2745856), (248, 2546560), (256, 2466980), (310, 2037248), (320, 1973584), (346, 1825280), (368, 1716160), (460, 1372928), (496, 1273280), (512, 1233490), (620, 1018624), (640, 986792), (692, 912640), (713, 885760), (736, 858080), (865, 730112), (920, 686464), (992, 636640), (1024, 616745), (1240, 509312), (1280, 493396), (1384, 456320), (1426, 442880), (1472, 429040), (1730, 365056), (1840, 343232), (1984, 318320), (2480, 254656), (2560, 246698), (2768, 228160), (2852, 221440), (2944, 214520), (3460, 182528), (3565, 177152), (3680, 171616), (3968, 159160), (3979, 158720), (4960, 127328), (5120, 123349), (5363, 117760), (5536, 114080), (5704, 110720), (5888, 107260), (6920, 91264), (7130, 88576), (7360, 85808), (7936, 79580), (7958, 79360), (9920, 63664), (10726, 58880), (11072, 57040), (11408, 55360), (11776, 53630), (13840, 45632), (14260, 44288), (14720, 42904), (15872, 39790), (15916, 39680), (19840, 31832), (19895, 31744), (21452, 29440), (22144, 28520), (22816, 27680), (23552, 26815)]