216900120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1009

約数の個数: 128

約数和(自身を含む): 687398400

約数和(自身を除く): 470498280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 138, 178, 184, 230, 267, 276, 345, 356, 445, 460, 534, 552, 690, 712, 883, 890, 920, 1068, 1335, 1380, 1766, 1780, 2047, 2136, 2649, 2670, 2760, 3532, 3560, 4094, 4415, 5298, 5340, 6141, 7064, 8188, 8830, 10235, 10596, 10680, 12282, 13245, 16376, 17660, 20309, 20470, 21192, 24564, 26490, 30705, 35320, 40618, 40940, 49128, 52980, 60927, 61410, 78587, 81236, 81880, 101545, 105960, 121854, 122820, 157174, 162472, 203090, 235761, 243708, 245640, 304635, 314348, 392935, 406180, 471522, 487416, 609270, 628696, 785870, 812360, 943044, 1178805, 1218540, 1571740, 1807501, 1886088, 2357610, 2437080, 3143480, 3615002, 4715220, 5422503, 7230004, 9037505, 9430440, 10845006, 14460008, 18075010, 21690012, 27112515, 36150020, 43380024, 54225030, 72300040, 108450060, 216900120]

約数ペア:

[(1, 216900120), (2, 108450060), (3, 72300040), (4, 54225030), (5, 43380024), (6, 36150020), (8, 27112515), (10, 21690012), (12, 18075010), (15, 14460008), (20, 10845006), (23, 9430440), (24, 9037505), (30, 7230004), (40, 5422503), (46, 4715220), (60, 3615002), (69, 3143480), (89, 2437080), (92, 2357610), (115, 1886088), (120, 1807501), (138, 1571740), (178, 1218540), (184, 1178805), (230, 943044), (267, 812360), (276, 785870), (345, 628696), (356, 609270), (445, 487416), (460, 471522), (534, 406180), (552, 392935), (690, 314348), (712, 304635), (883, 245640), (890, 243708), (920, 235761), (1068, 203090), (1335, 162472), (1380, 157174), (1766, 122820), (1780, 121854), (2047, 105960), (2136, 101545), (2649, 81880), (2670, 81236), (2760, 78587), (3532, 61410), (3560, 60927), (4094, 52980), (4415, 49128), (5298, 40940), (5340, 40618), (6141, 35320), (7064, 30705), (8188, 26490), (8830, 24564), (10235, 21192), (10596, 20470), (10680, 20309), (12282, 17660), (13245, 16376)]