71997420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 227372544

約数和(自身を除く): 155375124

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 47, 55, 60, 66, 94, 110, 121, 132, 141, 165, 188, 211, 220, 235, 242, 282, 330, 363, 422, 470, 484, 517, 564, 605, 633, 660, 705, 726, 844, 940, 1034, 1055, 1210, 1266, 1410, 1452, 1551, 1815, 2068, 2110, 2321, 2420, 2532, 2585, 2820, 3102, 3165, 3630, 4220, 4642, 5170, 5687, 6204, 6330, 6963, 7260, 7755, 9284, 9917, 10340, 11374, 11605, 12660, 13926, 15510, 17061, 19834, 22748, 23210, 25531, 27852, 28435, 29751, 31020, 34122, 34815, 39668, 46420, 49585, 51062, 56870, 59502, 68244, 69630, 76593, 85305, 99170, 102124, 109087, 113740, 119004, 127655, 139260, 148755, 153186, 170610, 198340, 218174, 255310, 297510, 306372, 327261, 341220, 382965, 436348, 510620, 545435, 595020, 654522, 765930, 1090870, 1199957, 1309044, 1531860, 1636305, 2181740, 2399914, 3272610, 3599871, 4799828, 5999785, 6545220, 7199742, 11999570, 14399484, 17999355, 23999140, 35998710, 71997420]

約数ペア:

[(1, 71997420), (2, 35998710), (3, 23999140), (4, 17999355), (5, 14399484), (6, 11999570), (10, 7199742), (11, 6545220), (12, 5999785), (15, 4799828), (20, 3599871), (22, 3272610), (30, 2399914), (33, 2181740), (44, 1636305), (47, 1531860), (55, 1309044), (60, 1199957), (66, 1090870), (94, 765930), (110, 654522), (121, 595020), (132, 545435), (141, 510620), (165, 436348), (188, 382965), (211, 341220), (220, 327261), (235, 306372), (242, 297510), (282, 255310), (330, 218174), (363, 198340), (422, 170610), (470, 153186), (484, 148755), (517, 139260), (564, 127655), (605, 119004), (633, 113740), (660, 109087), (705, 102124), (726, 99170), (844, 85305), (940, 76593), (1034, 69630), (1055, 68244), (1210, 59502), (1266, 56870), (1410, 51062), (1452, 49585), (1551, 46420), (1815, 39668), (2068, 34815), (2110, 34122), (2321, 31020), (2420, 29751), (2532, 28435), (2585, 27852), (2820, 25531), (3102, 23210), (3165, 22748), (3630, 19834), (4220, 17061), (4642, 15510), (5170, 13926), (5687, 12660), (6204, 11605), (6330, 11374), (6963, 10340), (7260, 9917), (7755, 9284)]