161334540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 144

約数和(自身を含む): 523111680

約数和(自身を除く): 361777140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 870, 899, 930, 997, 1044, 1116, 1305, 1395, 1740, 1798, 1860, 1994, 2610, 2697, 2790, 2991, 3596, 3988, 4495, 4985, 5220, 5394, 5580, 5982, 8091, 8973, 8990, 9970, 10788, 11964, 13485, 14955, 16182, 17946, 17980, 19940, 26970, 28913, 29910, 30907, 32364, 35892, 40455, 44865, 53940, 57826, 59820, 61814, 80910, 86739, 89730, 92721, 115652, 123628, 144565, 154535, 161820, 173478, 179460, 185442, 260217, 278163, 289130, 309070, 346956, 370884, 433695, 463605, 520434, 556326, 578260, 618140, 867390, 896303, 927210, 1040868, 1112652, 1301085, 1390815, 1734780, 1792606, 1854420, 2602170, 2688909, 2781630, 3585212, 4481515, 5204340, 5377818, 5563260, 8066727, 8963030, 10755636, 13444545, 16133454, 17926060, 26889090, 32266908, 40333635, 53778180, 80667270, 161334540]

約数ペア:

[(1, 161334540), (2, 80667270), (3, 53778180), (4, 40333635), (5, 32266908), (6, 26889090), (9, 17926060), (10, 16133454), (12, 13444545), (15, 10755636), (18, 8963030), (20, 8066727), (29, 5563260), (30, 5377818), (31, 5204340), (36, 4481515), (45, 3585212), (58, 2781630), (60, 2688909), (62, 2602170), (87, 1854420), (90, 1792606), (93, 1734780), (116, 1390815), (124, 1301085), (145, 1112652), (155, 1040868), (174, 927210), (180, 896303), (186, 867390), (261, 618140), (279, 578260), (290, 556326), (310, 520434), (348, 463605), (372, 433695), (435, 370884), (465, 346956), (522, 309070), (558, 289130), (580, 278163), (620, 260217), (870, 185442), (899, 179460), (930, 173478), (997, 161820), (1044, 154535), (1116, 144565), (1305, 123628), (1395, 115652), (1740, 92721), (1798, 89730), (1860, 86739), (1994, 80910), (2610, 61814), (2697, 59820), (2790, 57826), (2991, 53940), (3596, 44865), (3988, 40455), (4495, 35892), (4985, 32364), (5220, 30907), (5394, 29910), (5580, 28913), (5982, 26970), (8091, 19940), (8973, 17980), (8990, 17946), (9970, 16182), (10788, 14955), (11964, 13485)]