1554891520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1955

約数の個数: 216

約数和(自身を含む): 4668242544

約数和(自身を除く): 3113351024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1280, 1456, 1568, 1664, 1792, 1820, 1907, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3328, 3640, 3814, 3920, 4160, 4480, 5096, 5824, 6272, 6370, 7280, 7628, 7840, 8320, 8960, 9535, 10192, 11648, 12544, 12740, 13349, 14560, 15256, 15680, 16640, 19070, 20384, 23296, 24791, 25480, 26698, 29120, 30512, 31360, 38140, 40768, 49582, 50960, 53396, 58240, 61024, 62720, 66745, 76280, 81536, 93443, 99164, 101920, 106792, 116480, 122048, 123955, 133490, 152560, 163072, 173537, 186886, 198328, 203840, 213584, 244096, 247910, 266980, 305120, 347074, 373772, 396656, 407680, 427168, 467215, 488192, 495820, 533960, 610240, 694148, 747544, 793312, 815360, 854336, 867685, 934430, 991640, 1067920, 1214759, 1220480, 1388296, 1495088, 1586624, 1708672, 1735370, 1868860, 1983280, 2135840, 2429518, 2440960, 2776592, 2990176, 3173248, 3417344, 3470740, 3737720, 3966560, 4271680, 4859036, 5553184, 5980352, 6073795, 6346496, 6941480, 7475440, 7933120, 8543360, 9718072, 11106368, 11960704, 12147590, 13882960, 14950880, 15866240, 17086720, 19436144, 22212736, 23921408, 24295180, 27765920, 29901760, 31732480, 38872288, 44425472, 48590360, 55531840, 59803520, 77744576, 97180720, 111063680, 119607040, 155489152, 194361440, 222127360, 310978304, 388722880, 777445760, 1554891520]

約数ペア:

[(1, 1554891520), (2, 777445760), (4, 388722880), (5, 310978304), (7, 222127360), (8, 194361440), (10, 155489152), (13, 119607040), (14, 111063680), (16, 97180720), (20, 77744576), (26, 59803520), (28, 55531840), (32, 48590360), (35, 44425472), (40, 38872288), (49, 31732480), (52, 29901760), (56, 27765920), (64, 24295180), (65, 23921408), (70, 22212736), (80, 19436144), (91, 17086720), (98, 15866240), (104, 14950880), (112, 13882960), (128, 12147590), (130, 11960704), (140, 11106368), (160, 9718072), (182, 8543360), (196, 7933120), (208, 7475440), (224, 6941480), (245, 6346496), (256, 6073795), (260, 5980352), (280, 5553184), (320, 4859036), (364, 4271680), (392, 3966560), (416, 3737720), (448, 3470740), (455, 3417344), (490, 3173248), (520, 2990176), (560, 2776592), (637, 2440960), (640, 2429518), (728, 2135840), (784, 1983280), (832, 1868860), (896, 1735370), (910, 1708672), (980, 1586624), (1040, 1495088), (1120, 1388296), (1274, 1220480), (1280, 1214759), (1456, 1067920), (1568, 991640), (1664, 934430), (1792, 867685), (1820, 854336), (1907, 815360), (1960, 793312), (2080, 747544), (2240, 694148), (2548, 610240), (2912, 533960), (3136, 495820), (3185, 488192), (3328, 467215), (3640, 427168), (3814, 407680), (3920, 396656), (4160, 373772), (4480, 347074), (5096, 305120), (5824, 266980), (6272, 247910), (6370, 244096), (7280, 213584), (7628, 203840), (7840, 198328), (8320, 186886), (8960, 173537), (9535, 163072), (10192, 152560), (11648, 133490), (12544, 123955), (12740, 122048), (13349, 116480), (14560, 106792), (15256, 101920), (15680, 99164), (16640, 93443), (19070, 81536), (20384, 76280), (23296, 66745), (24791, 62720), (25480, 61024), (26698, 58240), (29120, 53396), (30512, 50960), (31360, 49582), (38140, 40768)]