161621640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 552193200

約数和(自身を除く): 390571560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 113, 116, 120, 137, 145, 174, 180, 226, 232, 261, 274, 290, 339, 348, 360, 411, 435, 452, 522, 548, 565, 580, 678, 685, 696, 822, 870, 904, 1017, 1044, 1096, 1130, 1160, 1233, 1305, 1356, 1370, 1644, 1695, 1740, 2034, 2055, 2088, 2260, 2466, 2610, 2712, 2740, 3277, 3288, 3390, 3480, 3973, 4068, 4110, 4520, 4932, 5085, 5220, 5480, 6165, 6554, 6780, 7946, 8136, 8220, 9831, 9864, 10170, 10440, 11919, 12330, 13108, 13560, 15481, 15892, 16385, 16440, 19662, 19865, 20340, 23838, 24660, 26216, 29493, 30962, 31784, 32770, 35757, 39324, 39730, 40680, 46443, 47676, 49155, 49320, 58986, 59595, 61924, 65540, 71514, 77405, 78648, 79460, 92886, 95352, 98310, 117972, 119190, 123848, 131080, 139329, 143028, 147465, 154810, 158920, 178785, 185772, 196620, 232215, 235944, 238380, 278658, 286056, 294930, 309620, 357570, 371544, 393240, 448949, 464430, 476760, 557316, 589860, 619240, 696645, 715140, 897898, 928860, 1114632, 1179720, 1346847, 1393290, 1430280, 1795796, 1857720, 2244745, 2693694, 2786580, 3591592, 4040541, 4489490, 5387388, 5573160, 6734235, 8081082, 8978980, 10774776, 13468470, 16162164, 17957960, 20202705, 26936940, 32324328, 40405410, 53873880, 80810820, 161621640]

約数ペア:

[(1, 161621640), (2, 80810820), (3, 53873880), (4, 40405410), (5, 32324328), (6, 26936940), (8, 20202705), (9, 17957960), (10, 16162164), (12, 13468470), (15, 10774776), (18, 8978980), (20, 8081082), (24, 6734235), (29, 5573160), (30, 5387388), (36, 4489490), (40, 4040541), (45, 3591592), (58, 2786580), (60, 2693694), (72, 2244745), (87, 1857720), (90, 1795796), (113, 1430280), (116, 1393290), (120, 1346847), (137, 1179720), (145, 1114632), (174, 928860), (180, 897898), (226, 715140), (232, 696645), (261, 619240), (274, 589860), (290, 557316), (339, 476760), (348, 464430), (360, 448949), (411, 393240), (435, 371544), (452, 357570), (522, 309620), (548, 294930), (565, 286056), (580, 278658), (678, 238380), (685, 235944), (696, 232215), (822, 196620), (870, 185772), (904, 178785), (1017, 158920), (1044, 154810), (1096, 147465), (1130, 143028), (1160, 139329), (1233, 131080), (1305, 123848), (1356, 119190), (1370, 117972), (1644, 98310), (1695, 95352), (1740, 92886), (2034, 79460), (2055, 78648), (2088, 77405), (2260, 71514), (2466, 65540), (2610, 61924), (2712, 59595), (2740, 58986), (3277, 49320), (3288, 49155), (3390, 47676), (3480, 46443), (3973, 40680), (4068, 39730), (4110, 39324), (4520, 35757), (4932, 32770), (5085, 31784), (5220, 30962), (5480, 29493), (6165, 26216), (6554, 24660), (6780, 23838), (7946, 20340), (8136, 19865), (8220, 19662), (9831, 16440), (9864, 16385), (10170, 15892), (10440, 15481), (11919, 13560), (12330, 13108)]