81132660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3389}}^1$

素因数の和:3430

約数の個数: 144

約数和(自身を含む): 296150400

約数和(自身を除く): 215017740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3389, 3420, 3990, 4788, 5985, 6778, 7980, 10167, 11970, 13556, 16945, 20334, 23723, 23940, 30501, 33890, 40668, 47446, 50835, 61002, 64391, 67780, 71169, 94892, 101670, 118615, 122004, 128782, 142338, 152505, 193173, 203340, 213507, 237230, 257564, 284676, 305010, 321955, 355845, 386346, 427014, 450737, 474460, 579519, 610020, 643910, 711690, 772692, 854028, 901474, 965865, 1067535, 1159038, 1287820, 1352211, 1423380, 1802948, 1931730, 2135070, 2253685, 2318076, 2704422, 2897595, 3863460, 4056633, 4270140, 4507370, 5408844, 5795190, 6761055, 8113266, 9014740, 11590380, 13522110, 16226532, 20283165, 27044220, 40566330, 81132660]

約数ペア:

[(1, 81132660), (2, 40566330), (3, 27044220), (4, 20283165), (5, 16226532), (6, 13522110), (7, 11590380), (9, 9014740), (10, 8113266), (12, 6761055), (14, 5795190), (15, 5408844), (18, 4507370), (19, 4270140), (20, 4056633), (21, 3863460), (28, 2897595), (30, 2704422), (35, 2318076), (36, 2253685), (38, 2135070), (42, 1931730), (45, 1802948), (57, 1423380), (60, 1352211), (63, 1287820), (70, 1159038), (76, 1067535), (84, 965865), (90, 901474), (95, 854028), (105, 772692), (114, 711690), (126, 643910), (133, 610020), (140, 579519), (171, 474460), (180, 450737), (190, 427014), (210, 386346), (228, 355845), (252, 321955), (266, 305010), (285, 284676), (315, 257564), (342, 237230), (380, 213507), (399, 203340), (420, 193173), (532, 152505), (570, 142338), (630, 128782), (665, 122004), (684, 118615), (798, 101670), (855, 94892), (1140, 71169), (1197, 67780), (1260, 64391), (1330, 61002), (1596, 50835), (1710, 47446), (1995, 40668), (2394, 33890), (2660, 30501), (3389, 23940), (3420, 23723), (3990, 20334), (4788, 16945), (5985, 13556), (6778, 11970), (7980, 10167)]