647550540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3041}}^1$

素因数の和:3089

約数の個数: 216

約数和(自身を含む): 2431604448

約数和(自身を除く): 1784053908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 630, 676, 780, 819, 845, 910, 1014, 1092, 1170, 1183, 1260, 1365, 1521, 1638, 1690, 1820, 2028, 2340, 2366, 2535, 2730, 3041, 3042, 3276, 3380, 3549, 4095, 4732, 5070, 5460, 5915, 6082, 6084, 7098, 7605, 8190, 9123, 10140, 10647, 11830, 12164, 14196, 15205, 15210, 16380, 17745, 18246, 21287, 21294, 23660, 27369, 30410, 30420, 35490, 36492, 39533, 42574, 42588, 45615, 53235, 54738, 60820, 63861, 70980, 79066, 85148, 91230, 106435, 106470, 109476, 118599, 127722, 136845, 158132, 182460, 191583, 197665, 212870, 212940, 237198, 255444, 273690, 276731, 319305, 355797, 383166, 395330, 425740, 474396, 513929, 547380, 553462, 592995, 638610, 711594, 766332, 790660, 830193, 957915, 1027858, 1106924, 1185990, 1277220, 1383655, 1423188, 1541787, 1660386, 1778985, 1915830, 2055716, 2371980, 2490579, 2569645, 2767310, 3083574, 3320772, 3557970, 3597503, 3831660, 4150965, 4625361, 4981158, 5139290, 5534620, 6167148, 7115940, 7195006, 7708935, 8301930, 9250722, 9962316, 10278580, 10792509, 12452895, 14390012, 15417870, 16603860, 17987515, 18501444, 21585018, 23126805, 24905790, 30835740, 32377527, 35975030, 43170036, 46253610, 49811580, 53962545, 64755054, 71950060, 92507220, 107925090, 129510108, 161887635, 215850180, 323775270, 647550540]

約数ペア:

[(1, 647550540), (2, 323775270), (3, 215850180), (4, 161887635), (5, 129510108), (6, 107925090), (7, 92507220), (9, 71950060), (10, 64755054), (12, 53962545), (13, 49811580), (14, 46253610), (15, 43170036), (18, 35975030), (20, 32377527), (21, 30835740), (26, 24905790), (28, 23126805), (30, 21585018), (35, 18501444), (36, 17987515), (39, 16603860), (42, 15417870), (45, 14390012), (52, 12452895), (60, 10792509), (63, 10278580), (65, 9962316), (70, 9250722), (78, 8301930), (84, 7708935), (90, 7195006), (91, 7115940), (105, 6167148), (117, 5534620), (126, 5139290), (130, 4981158), (140, 4625361), (156, 4150965), (169, 3831660), (180, 3597503), (182, 3557970), (195, 3320772), (210, 3083574), (234, 2767310), (252, 2569645), (260, 2490579), (273, 2371980), (315, 2055716), (338, 1915830), (364, 1778985), (390, 1660386), (420, 1541787), (455, 1423188), (468, 1383655), (507, 1277220), (546, 1185990), (585, 1106924), (630, 1027858), (676, 957915), (780, 830193), (819, 790660), (845, 766332), (910, 711594), (1014, 638610), (1092, 592995), (1170, 553462), (1183, 547380), (1260, 513929), (1365, 474396), (1521, 425740), (1638, 395330), (1690, 383166), (1820, 355797), (2028, 319305), (2340, 276731), (2366, 273690), (2535, 255444), (2730, 237198), (3041, 212940), (3042, 212870), (3276, 197665), (3380, 191583), (3549, 182460), (4095, 158132), (4732, 136845), (5070, 127722), (5460, 118599), (5915, 109476), (6082, 106470), (6084, 106435), (7098, 91230), (7605, 85148), (8190, 79066), (9123, 70980), (10140, 63861), (10647, 60820), (11830, 54738), (12164, 53235), (14196, 45615), (15205, 42588), (15210, 42574), (16380, 39533), (17745, 36492), (18246, 35490), (21287, 30420), (21294, 30410), (23660, 27369)]