161851320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 192

約数和(自身を含む): 560196000

約数和(自身を除く): 398344680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 37, 40, 45, 58, 60, 72, 74, 87, 90, 111, 116, 120, 145, 148, 174, 180, 185, 222, 232, 261, 290, 296, 333, 348, 360, 370, 419, 435, 444, 522, 555, 580, 666, 696, 740, 838, 870, 888, 1044, 1073, 1110, 1160, 1257, 1305, 1332, 1480, 1665, 1676, 1740, 2088, 2095, 2146, 2220, 2514, 2610, 2664, 3219, 3330, 3352, 3480, 3771, 4190, 4292, 4440, 5028, 5220, 5365, 6285, 6438, 6660, 7542, 8380, 8584, 9657, 10056, 10440, 10730, 12151, 12570, 12876, 13320, 15084, 15503, 16095, 16760, 18855, 19314, 21460, 24302, 25140, 25752, 30168, 31006, 32190, 36453, 37710, 38628, 42920, 46509, 48285, 48604, 50280, 60755, 62012, 64380, 72906, 75420, 77256, 77515, 93018, 96570, 97208, 109359, 121510, 124024, 128760, 139527, 145812, 150840, 155030, 182265, 186036, 193140, 218718, 232545, 243020, 279054, 291624, 310060, 364530, 372072, 386280, 437436, 449587, 465090, 486040, 546795, 558108, 620120, 697635, 729060, 874872, 899174, 930180, 1093590, 1116216, 1348761, 1395270, 1458120, 1798348, 1860360, 2187180, 2247935, 2697522, 2790540, 3596696, 4046283, 4374360, 4495870, 5395044, 5581080, 6743805, 8092566, 8991740, 10790088, 13487610, 16185132, 17983480, 20231415, 26975220, 32370264, 40462830, 53950440, 80925660, 161851320]

約数ペア:

[(1, 161851320), (2, 80925660), (3, 53950440), (4, 40462830), (5, 32370264), (6, 26975220), (8, 20231415), (9, 17983480), (10, 16185132), (12, 13487610), (15, 10790088), (18, 8991740), (20, 8092566), (24, 6743805), (29, 5581080), (30, 5395044), (36, 4495870), (37, 4374360), (40, 4046283), (45, 3596696), (58, 2790540), (60, 2697522), (72, 2247935), (74, 2187180), (87, 1860360), (90, 1798348), (111, 1458120), (116, 1395270), (120, 1348761), (145, 1116216), (148, 1093590), (174, 930180), (180, 899174), (185, 874872), (222, 729060), (232, 697635), (261, 620120), (290, 558108), (296, 546795), (333, 486040), (348, 465090), (360, 449587), (370, 437436), (419, 386280), (435, 372072), (444, 364530), (522, 310060), (555, 291624), (580, 279054), (666, 243020), (696, 232545), (740, 218718), (838, 193140), (870, 186036), (888, 182265), (1044, 155030), (1073, 150840), (1110, 145812), (1160, 139527), (1257, 128760), (1305, 124024), (1332, 121510), (1480, 109359), (1665, 97208), (1676, 96570), (1740, 93018), (2088, 77515), (2095, 77256), (2146, 75420), (2220, 72906), (2514, 64380), (2610, 62012), (2664, 60755), (3219, 50280), (3330, 48604), (3352, 48285), (3480, 46509), (3771, 42920), (4190, 38628), (4292, 37710), (4440, 36453), (5028, 32190), (5220, 31006), (5365, 30168), (6285, 25752), (6438, 25140), (6660, 24302), (7542, 21460), (8380, 19314), (8584, 18855), (9657, 16760), (10056, 16095), (10440, 15503), (10730, 15084), (12151, 13320), (12570, 12876)]