161563320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{467}}^1$

素因数の和:546

約数の個数: 144

約数和(自身を含む): 543727080

約数和(自身を除く): 382163760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 467, 558, 620, 744, 930, 934, 961, 1116, 1240, 1395, 1401, 1860, 1868, 1922, 2232, 2335, 2790, 2802, 2883, 3720, 3736, 3844, 4203, 4670, 4805, 5580, 5604, 5766, 7005, 7688, 8406, 8649, 9340, 9610, 11160, 11208, 11532, 14010, 14415, 14477, 16812, 17298, 18680, 19220, 21015, 23064, 28020, 28830, 28954, 33624, 34596, 38440, 42030, 43245, 43431, 56040, 57660, 57908, 69192, 72385, 84060, 86490, 86862, 115320, 115816, 130293, 144770, 168120, 172980, 173724, 217155, 260586, 289540, 345960, 347448, 434310, 448787, 521172, 579080, 651465, 868620, 897574, 1042344, 1302930, 1346361, 1737240, 1795148, 2243935, 2605860, 2692722, 3590296, 4039083, 4487870, 5211720, 5385444, 6731805, 8078166, 8975740, 10770888, 13463610, 16156332, 17951480, 20195415, 26927220, 32312664, 40390830, 53854440, 80781660, 161563320]

約数ペア:

[(1, 161563320), (2, 80781660), (3, 53854440), (4, 40390830), (5, 32312664), (6, 26927220), (8, 20195415), (9, 17951480), (10, 16156332), (12, 13463610), (15, 10770888), (18, 8975740), (20, 8078166), (24, 6731805), (30, 5385444), (31, 5211720), (36, 4487870), (40, 4039083), (45, 3590296), (60, 2692722), (62, 2605860), (72, 2243935), (90, 1795148), (93, 1737240), (120, 1346361), (124, 1302930), (155, 1042344), (180, 897574), (186, 868620), (248, 651465), (279, 579080), (310, 521172), (360, 448787), (372, 434310), (465, 347448), (467, 345960), (558, 289540), (620, 260586), (744, 217155), (930, 173724), (934, 172980), (961, 168120), (1116, 144770), (1240, 130293), (1395, 115816), (1401, 115320), (1860, 86862), (1868, 86490), (1922, 84060), (2232, 72385), (2335, 69192), (2790, 57908), (2802, 57660), (2883, 56040), (3720, 43431), (3736, 43245), (3844, 42030), (4203, 38440), (4670, 34596), (4805, 33624), (5580, 28954), (5604, 28830), (5766, 28020), (7005, 23064), (7688, 21015), (8406, 19220), (8649, 18680), (9340, 17298), (9610, 16812), (11160, 14477), (11208, 14415), (11532, 14010)]