1908786560

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 256

約数和(自身を含む): 5076172800

約数和(自身を除く): 3167386240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 47, 62, 64, 80, 89, 92, 94, 115, 124, 128, 155, 160, 178, 184, 188, 230, 235, 248, 310, 320, 356, 368, 376, 445, 460, 470, 496, 620, 640, 712, 713, 736, 752, 890, 920, 940, 992, 1081, 1240, 1424, 1426, 1457, 1472, 1504, 1780, 1840, 1880, 1984, 2047, 2162, 2480, 2759, 2848, 2852, 2914, 2944, 3008, 3560, 3565, 3680, 3760, 3968, 4094, 4183, 4324, 4960, 5405, 5518, 5696, 5704, 5828, 6016, 7120, 7130, 7285, 7360, 7520, 8188, 8366, 8648, 9920, 10235, 10810, 11036, 11392, 11408, 11656, 13795, 14240, 14260, 14570, 14720, 15040, 16376, 16732, 17296, 19840, 20470, 20915, 21620, 22072, 22816, 23312, 27590, 28480, 28520, 29140, 30080, 32752, 33464, 33511, 34592, 40940, 41830, 43240, 44144, 45632, 46624, 55180, 56960, 57040, 58280, 63457, 65504, 66928, 67022, 69184, 81880, 83660, 86480, 88288, 91264, 93248, 96209, 110360, 114080, 116560, 126914, 129673, 131008, 133856, 134044, 138368, 163760, 167320, 167555, 172960, 176576, 186496, 192418, 220720, 228160, 233120, 253828, 259346, 262016, 267712, 268088, 317285, 327520, 334640, 335110, 345920, 353152, 384836, 441440, 456320, 466240, 481045, 507656, 518692, 535424, 536176, 634570, 648365, 655040, 669280, 670220, 691840, 769672, 882880, 932480, 962090, 1015312, 1037384, 1072352, 1269140, 1296730, 1310080, 1338560, 1340440, 1539344, 1765760, 1924180, 2030624, 2074768, 2144704, 2538280, 2593460, 2677120, 2680880, 2982479, 3078688, 3848360, 4061248, 4149536, 4289408, 5076560, 5186920, 5361760, 5964958, 6157376, 7696720, 8122496, 8299072, 10153120, 10373840, 10723520, 11929916, 12314752, 14912395, 15393440, 16598144, 20306240, 20747680, 21447040, 23859832, 29824790, 30786880, 40612480, 41495360, 47719664, 59649580, 61573760, 82990720, 95439328, 119299160, 190878656, 238598320, 381757312, 477196640, 954393280, 1908786560]

約数ペア:

[(1, 1908786560), (2, 954393280), (4, 477196640), (5, 381757312), (8, 238598320), (10, 190878656), (16, 119299160), (20, 95439328), (23, 82990720), (31, 61573760), (32, 59649580), (40, 47719664), (46, 41495360), (47, 40612480), (62, 30786880), (64, 29824790), (80, 23859832), (89, 21447040), (92, 20747680), (94, 20306240), (115, 16598144), (124, 15393440), (128, 14912395), (155, 12314752), (160, 11929916), (178, 10723520), (184, 10373840), (188, 10153120), (230, 8299072), (235, 8122496), (248, 7696720), (310, 6157376), (320, 5964958), (356, 5361760), (368, 5186920), (376, 5076560), (445, 4289408), (460, 4149536), (470, 4061248), (496, 3848360), (620, 3078688), (640, 2982479), (712, 2680880), (713, 2677120), (736, 2593460), (752, 2538280), (890, 2144704), (920, 2074768), (940, 2030624), (992, 1924180), (1081, 1765760), (1240, 1539344), (1424, 1340440), (1426, 1338560), (1457, 1310080), (1472, 1296730), (1504, 1269140), (1780, 1072352), (1840, 1037384), (1880, 1015312), (1984, 962090), (2047, 932480), (2162, 882880), (2480, 769672), (2759, 691840), (2848, 670220), (2852, 669280), (2914, 655040), (2944, 648365), (3008, 634570), (3560, 536176), (3565, 535424), (3680, 518692), (3760, 507656), (3968, 481045), (4094, 466240), (4183, 456320), (4324, 441440), (4960, 384836), (5405, 353152), (5518, 345920), (5696, 335110), (5704, 334640), (5828, 327520), (6016, 317285), (7120, 268088), (7130, 267712), (7285, 262016), (7360, 259346), (7520, 253828), (8188, 233120), (8366, 228160), (8648, 220720), (9920, 192418), (10235, 186496), (10810, 176576), (11036, 172960), (11392, 167555), (11408, 167320), (11656, 163760), (13795, 138368), (14240, 134044), (14260, 133856), (14570, 131008), (14720, 129673), (15040, 126914), (16376, 116560), (16732, 114080), (17296, 110360), (19840, 96209), (20470, 93248), (20915, 91264), (21620, 88288), (22072, 86480), (22816, 83660), (23312, 81880), (27590, 69184), (28480, 67022), (28520, 66928), (29140, 65504), (30080, 63457), (32752, 58280), (33464, 57040), (33511, 56960), (34592, 55180), (40940, 46624), (41830, 45632), (43240, 44144)]