1258986880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 3281666400

約数和(自身を除く): 2022679520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 89, 92, 115, 124, 128, 155, 160, 178, 184, 230, 248, 310, 320, 356, 368, 445, 460, 496, 620, 640, 712, 713, 736, 890, 920, 961, 992, 1240, 1424, 1426, 1472, 1780, 1840, 1922, 1984, 2047, 2480, 2759, 2848, 2852, 2944, 3560, 3565, 3680, 3844, 3968, 4094, 4805, 4960, 5518, 5696, 5704, 7120, 7130, 7360, 7688, 8188, 9610, 9920, 10235, 11036, 11392, 11408, 13795, 14240, 14260, 14720, 15376, 16376, 19220, 19840, 20470, 22072, 22103, 22816, 27590, 28480, 28520, 30752, 32752, 38440, 40940, 44144, 44206, 45632, 55180, 56960, 57040, 61504, 63457, 65504, 76880, 81880, 85529, 88288, 88412, 91264, 110360, 110515, 114080, 123008, 126914, 131008, 153760, 163760, 171058, 176576, 176824, 220720, 221030, 228160, 253828, 262016, 307520, 317285, 327520, 342116, 353152, 353648, 427645, 441440, 442060, 456320, 507656, 615040, 634570, 655040, 684232, 707296, 855290, 882880, 884120, 1015312, 1269140, 1310080, 1368464, 1414592, 1710580, 1765760, 1768240, 1967167, 2030624, 2538280, 2736928, 2829184, 3421160, 3536480, 3934334, 4061248, 5076560, 5473856, 6842320, 7072960, 7868668, 8122496, 9835835, 10153120, 10947712, 13684640, 14145920, 15737336, 19671670, 20306240, 27369280, 31474672, 39343340, 40612480, 54738560, 62949344, 78686680, 125898688, 157373360, 251797376, 314746720, 629493440, 1258986880]

約数ペア:

[(1, 1258986880), (2, 629493440), (4, 314746720), (5, 251797376), (8, 157373360), (10, 125898688), (16, 78686680), (20, 62949344), (23, 54738560), (31, 40612480), (32, 39343340), (40, 31474672), (46, 27369280), (62, 20306240), (64, 19671670), (80, 15737336), (89, 14145920), (92, 13684640), (115, 10947712), (124, 10153120), (128, 9835835), (155, 8122496), (160, 7868668), (178, 7072960), (184, 6842320), (230, 5473856), (248, 5076560), (310, 4061248), (320, 3934334), (356, 3536480), (368, 3421160), (445, 2829184), (460, 2736928), (496, 2538280), (620, 2030624), (640, 1967167), (712, 1768240), (713, 1765760), (736, 1710580), (890, 1414592), (920, 1368464), (961, 1310080), (992, 1269140), (1240, 1015312), (1424, 884120), (1426, 882880), (1472, 855290), (1780, 707296), (1840, 684232), (1922, 655040), (1984, 634570), (2047, 615040), (2480, 507656), (2759, 456320), (2848, 442060), (2852, 441440), (2944, 427645), (3560, 353648), (3565, 353152), (3680, 342116), (3844, 327520), (3968, 317285), (4094, 307520), (4805, 262016), (4960, 253828), (5518, 228160), (5696, 221030), (5704, 220720), (7120, 176824), (7130, 176576), (7360, 171058), (7688, 163760), (8188, 153760), (9610, 131008), (9920, 126914), (10235, 123008), (11036, 114080), (11392, 110515), (11408, 110360), (13795, 91264), (14240, 88412), (14260, 88288), (14720, 85529), (15376, 81880), (16376, 76880), (19220, 65504), (19840, 63457), (20470, 61504), (22072, 57040), (22103, 56960), (22816, 55180), (27590, 45632), (28480, 44206), (28520, 44144), (30752, 40940), (32752, 38440)]