248218880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2172

約数の個数: 144

約数和(自身を含む): 732111744

約数和(自身を除く): 483892864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2131, 2240, 2912, 3328, 3640, 4160, 4262, 4480, 5824, 7280, 8320, 8524, 8960, 10655, 11648, 14560, 14917, 16640, 17048, 21310, 23296, 27703, 29120, 29834, 34096, 42620, 55406, 58240, 59668, 68192, 74585, 85240, 110812, 116480, 119336, 136384, 138515, 149170, 170480, 193921, 221624, 238672, 272768, 277030, 298340, 340960, 387842, 443248, 477344, 545536, 554060, 596680, 681920, 775684, 886496, 954688, 969605, 1108120, 1193360, 1363840, 1551368, 1772992, 1909376, 1939210, 2216240, 2386720, 2727680, 3102736, 3545984, 3818752, 3878420, 4432480, 4773440, 6205472, 7091968, 7756840, 8864960, 9546880, 12410944, 15513680, 17729920, 19093760, 24821888, 31027360, 35459840, 49643776, 62054720, 124109440, 248218880]

約数ペア:

[(1, 248218880), (2, 124109440), (4, 62054720), (5, 49643776), (7, 35459840), (8, 31027360), (10, 24821888), (13, 19093760), (14, 17729920), (16, 15513680), (20, 12410944), (26, 9546880), (28, 8864960), (32, 7756840), (35, 7091968), (40, 6205472), (52, 4773440), (56, 4432480), (64, 3878420), (65, 3818752), (70, 3545984), (80, 3102736), (91, 2727680), (104, 2386720), (112, 2216240), (128, 1939210), (130, 1909376), (140, 1772992), (160, 1551368), (182, 1363840), (208, 1193360), (224, 1108120), (256, 969605), (260, 954688), (280, 886496), (320, 775684), (364, 681920), (416, 596680), (448, 554060), (455, 545536), (520, 477344), (560, 443248), (640, 387842), (728, 340960), (832, 298340), (896, 277030), (910, 272768), (1040, 238672), (1120, 221624), (1280, 193921), (1456, 170480), (1664, 149170), (1792, 138515), (1820, 136384), (2080, 119336), (2131, 116480), (2240, 110812), (2912, 85240), (3328, 74585), (3640, 68192), (4160, 59668), (4262, 58240), (4480, 55406), (5824, 42620), (7280, 34096), (8320, 29834), (8524, 29120), (8960, 27703), (10655, 23296), (11648, 21310), (14560, 17048), (14917, 16640)]