281319040

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 703261440

約数和(自身を除く): 421942400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 71, 80, 82, 128, 142, 151, 160, 164, 205, 284, 302, 320, 328, 355, 410, 568, 604, 640, 656, 710, 755, 820, 1136, 1208, 1312, 1420, 1510, 1640, 2272, 2416, 2624, 2840, 2911, 3020, 3280, 4544, 4832, 5248, 5680, 5822, 6040, 6191, 6560, 9088, 9664, 10721, 11360, 11644, 12080, 12382, 13120, 14555, 19328, 21442, 22720, 23288, 24160, 24764, 26240, 29110, 30955, 42884, 45440, 46576, 48320, 49528, 53605, 58220, 61910, 85768, 93152, 96640, 99056, 107210, 116440, 123820, 171536, 186304, 198112, 214420, 232880, 247640, 343072, 372608, 396224, 428840, 439561, 465760, 495280, 686144, 792448, 857680, 879122, 931520, 990560, 1372288, 1715360, 1758244, 1863040, 1981120, 2197805, 3430720, 3516488, 3962240, 4395610, 6861440, 7032976, 8791220, 14065952, 17582440, 28131904, 35164880, 56263808, 70329760, 140659520, 281319040]

約数ペア:

[(1, 281319040), (2, 140659520), (4, 70329760), (5, 56263808), (8, 35164880), (10, 28131904), (16, 17582440), (20, 14065952), (32, 8791220), (40, 7032976), (41, 6861440), (64, 4395610), (71, 3962240), (80, 3516488), (82, 3430720), (128, 2197805), (142, 1981120), (151, 1863040), (160, 1758244), (164, 1715360), (205, 1372288), (284, 990560), (302, 931520), (320, 879122), (328, 857680), (355, 792448), (410, 686144), (568, 495280), (604, 465760), (640, 439561), (656, 428840), (710, 396224), (755, 372608), (820, 343072), (1136, 247640), (1208, 232880), (1312, 214420), (1420, 198112), (1510, 186304), (1640, 171536), (2272, 123820), (2416, 116440), (2624, 107210), (2840, 99056), (2911, 96640), (3020, 93152), (3280, 85768), (4544, 61910), (4832, 58220), (5248, 53605), (5680, 49528), (5822, 48320), (6040, 46576), (6191, 45440), (6560, 42884), (9088, 30955), (9664, 29110), (10721, 26240), (11360, 24764), (11644, 24160), (12080, 23288), (12382, 22720), (13120, 21442), (14555, 19328)]