81472380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 268531200

約数和(自身を除く): 187058820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 73, 76, 89, 95, 110, 114, 132, 146, 165, 178, 190, 209, 219, 220, 228, 267, 285, 292, 330, 356, 365, 380, 418, 438, 445, 534, 570, 627, 660, 730, 803, 836, 876, 890, 979, 1045, 1068, 1095, 1140, 1254, 1335, 1387, 1460, 1606, 1691, 1780, 1958, 2090, 2190, 2409, 2508, 2670, 2774, 2937, 3135, 3212, 3382, 3916, 4015, 4161, 4180, 4380, 4818, 4895, 5073, 5340, 5548, 5874, 6270, 6497, 6764, 6935, 8030, 8322, 8455, 9636, 9790, 10146, 11748, 12045, 12540, 12994, 13870, 14685, 15257, 16060, 16644, 16910, 18601, 19491, 19580, 20292, 20805, 24090, 25365, 25988, 27740, 29370, 30514, 32485, 33820, 37202, 38982, 41610, 45771, 48180, 50730, 55803, 58740, 61028, 64970, 71467, 74404, 76285, 77964, 83220, 91542, 93005, 97455, 101460, 111606, 123443, 129940, 142934, 152570, 183084, 186010, 194910, 214401, 223212, 228855, 246886, 279015, 285868, 305140, 357335, 370329, 372020, 389820, 428802, 457710, 493772, 558030, 617215, 714670, 740658, 857604, 915420, 1072005, 1116060, 1234430, 1357873, 1429340, 1481316, 1851645, 2144010, 2468860, 2715746, 3703290, 4073619, 4288020, 5431492, 6789365, 7406580, 8147238, 13578730, 16294476, 20368095, 27157460, 40736190, 81472380]

約数ペア:

[(1, 81472380), (2, 40736190), (3, 27157460), (4, 20368095), (5, 16294476), (6, 13578730), (10, 8147238), (11, 7406580), (12, 6789365), (15, 5431492), (19, 4288020), (20, 4073619), (22, 3703290), (30, 2715746), (33, 2468860), (38, 2144010), (44, 1851645), (55, 1481316), (57, 1429340), (60, 1357873), (66, 1234430), (73, 1116060), (76, 1072005), (89, 915420), (95, 857604), (110, 740658), (114, 714670), (132, 617215), (146, 558030), (165, 493772), (178, 457710), (190, 428802), (209, 389820), (219, 372020), (220, 370329), (228, 357335), (267, 305140), (285, 285868), (292, 279015), (330, 246886), (356, 228855), (365, 223212), (380, 214401), (418, 194910), (438, 186010), (445, 183084), (534, 152570), (570, 142934), (627, 129940), (660, 123443), (730, 111606), (803, 101460), (836, 97455), (876, 93005), (890, 91542), (979, 83220), (1045, 77964), (1068, 76285), (1095, 74404), (1140, 71467), (1254, 64970), (1335, 61028), (1387, 58740), (1460, 55803), (1606, 50730), (1691, 48180), (1780, 45771), (1958, 41610), (2090, 38982), (2190, 37202), (2409, 33820), (2508, 32485), (2670, 30514), (2774, 29370), (2937, 27740), (3135, 25988), (3212, 25365), (3382, 24090), (3916, 20805), (4015, 20292), (4161, 19580), (4180, 19491), (4380, 18601), (4818, 16910), (4895, 16644), (5073, 16060), (5340, 15257), (5548, 14685), (5874, 13870), (6270, 12994), (6497, 12540), (6764, 12045), (6935, 11748), (8030, 10146), (8322, 9790), (8455, 9636)]