1284695720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{5417}}^1$

素因数の和:5464

約数の個数: 144

約数和(自身を含む): 3696647220

約数和(自身を除く): 2411951500

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 605, 616, 770, 847, 968, 980, 1078, 1210, 1540, 1694, 1960, 2156, 2420, 2695, 3080, 3388, 4235, 4312, 4840, 5390, 5417, 5929, 6776, 8470, 10780, 10834, 11858, 16940, 21560, 21668, 23716, 27085, 29645, 33880, 37919, 43336, 47432, 54170, 59290, 59587, 75838, 108340, 118580, 119174, 151676, 189595, 216680, 237160, 238348, 265433, 297935, 303352, 379190, 417109, 476696, 530866, 595870, 655457, 758380, 834218, 1061732, 1191740, 1310914, 1327165, 1516760, 1668436, 2085545, 2123464, 2383480, 2621828, 2654330, 2919763, 3277285, 3336872, 4171090, 4588199, 5243656, 5308660, 5839526, 6554570, 8342180, 9176398, 10617320, 11679052, 13109140, 14598815, 16684360, 18352796, 22940995, 23358104, 26218280, 29197630, 32117393, 36705592, 45881990, 58395260, 64234786, 91763980, 116790520, 128469572, 160586965, 183527960, 256939144, 321173930, 642347860, 1284695720]

約数ペア:

[(1, 1284695720), (2, 642347860), (4, 321173930), (5, 256939144), (7, 183527960), (8, 160586965), (10, 128469572), (11, 116790520), (14, 91763980), (20, 64234786), (22, 58395260), (28, 45881990), (35, 36705592), (40, 32117393), (44, 29197630), (49, 26218280), (55, 23358104), (56, 22940995), (70, 18352796), (77, 16684360), (88, 14598815), (98, 13109140), (110, 11679052), (121, 10617320), (140, 9176398), (154, 8342180), (196, 6554570), (220, 5839526), (242, 5308660), (245, 5243656), (280, 4588199), (308, 4171090), (385, 3336872), (392, 3277285), (440, 2919763), (484, 2654330), (490, 2621828), (539, 2383480), (605, 2123464), (616, 2085545), (770, 1668436), (847, 1516760), (968, 1327165), (980, 1310914), (1078, 1191740), (1210, 1061732), (1540, 834218), (1694, 758380), (1960, 655457), (2156, 595870), (2420, 530866), (2695, 476696), (3080, 417109), (3388, 379190), (4235, 303352), (4312, 297935), (4840, 265433), (5390, 238348), (5417, 237160), (5929, 216680), (6776, 189595), (8470, 151676), (10780, 119174), (10834, 118580), (11858, 108340), (16940, 75838), (21560, 59587), (21668, 59290), (23716, 54170), (27085, 47432), (29645, 43336), (33880, 37919)]