1280564480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1952

約数の個数: 144

約数和(自身を含む): 3385673424

約数和(自身を除く): 2105108944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 256, 260, 320, 328, 410, 416, 520, 533, 640, 656, 820, 832, 1040, 1066, 1280, 1312, 1640, 1664, 1877, 2080, 2132, 2624, 2665, 3280, 3328, 3754, 4160, 4264, 5248, 5330, 6560, 7508, 8320, 8528, 9385, 10496, 10660, 13120, 15016, 16640, 17056, 18770, 21320, 24401, 26240, 30032, 34112, 37540, 42640, 48802, 52480, 60064, 68224, 75080, 76957, 85280, 97604, 120128, 122005, 136448, 150160, 153914, 170560, 195208, 240256, 244010, 300320, 307828, 341120, 384785, 390416, 480512, 488020, 600640, 615656, 682240, 769570, 780832, 976040, 1000441, 1201280, 1231312, 1539140, 1561664, 1952080, 2000882, 2402560, 2462624, 3078280, 3123328, 3904160, 4001764, 4925248, 5002205, 6156560, 6246656, 7808320, 8003528, 9850496, 10004410, 12313120, 15616640, 16007056, 19700992, 20008820, 24626240, 31233280, 32014112, 40017640, 49252480, 64028224, 80035280, 98504960, 128056448, 160070560, 256112896, 320141120, 640282240, 1280564480]

約数ペア:

[(1, 1280564480), (2, 640282240), (4, 320141120), (5, 256112896), (8, 160070560), (10, 128056448), (13, 98504960), (16, 80035280), (20, 64028224), (26, 49252480), (32, 40017640), (40, 32014112), (41, 31233280), (52, 24626240), (64, 20008820), (65, 19700992), (80, 16007056), (82, 15616640), (104, 12313120), (128, 10004410), (130, 9850496), (160, 8003528), (164, 7808320), (205, 6246656), (208, 6156560), (256, 5002205), (260, 4925248), (320, 4001764), (328, 3904160), (410, 3123328), (416, 3078280), (520, 2462624), (533, 2402560), (640, 2000882), (656, 1952080), (820, 1561664), (832, 1539140), (1040, 1231312), (1066, 1201280), (1280, 1000441), (1312, 976040), (1640, 780832), (1664, 769570), (1877, 682240), (2080, 615656), (2132, 600640), (2624, 488020), (2665, 480512), (3280, 390416), (3328, 384785), (3754, 341120), (4160, 307828), (4264, 300320), (5248, 244010), (5330, 240256), (6560, 195208), (7508, 170560), (8320, 153914), (8528, 150160), (9385, 136448), (10496, 122005), (10660, 120128), (13120, 97604), (15016, 85280), (16640, 76957), (17056, 75080), (18770, 68224), (21320, 60064), (24401, 52480), (26240, 48802), (30032, 42640), (34112, 37540)]