197751240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 256

約数和(自身を含む): 725760000

約数和(自身を除く): 528008760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 27, 30, 36, 38, 40, 45, 46, 54, 57, 60, 69, 72, 76, 90, 92, 95, 108, 114, 115, 120, 135, 138, 152, 171, 180, 184, 190, 207, 216, 228, 230, 270, 276, 285, 342, 345, 360, 380, 414, 419, 437, 456, 460, 513, 540, 552, 570, 621, 684, 690, 760, 828, 838, 855, 874, 920, 1026, 1035, 1080, 1140, 1242, 1257, 1311, 1368, 1380, 1656, 1676, 1710, 1748, 2052, 2070, 2095, 2185, 2280, 2484, 2514, 2565, 2622, 2760, 3105, 3352, 3420, 3496, 3771, 3933, 4104, 4140, 4190, 4370, 4968, 5028, 5130, 5244, 6210, 6285, 6555, 6840, 7542, 7866, 7961, 8280, 8380, 8740, 9637, 10056, 10260, 10488, 11313, 11799, 12420, 12570, 13110, 15084, 15732, 15922, 16760, 17480, 18855, 19274, 19665, 20520, 22626, 23598, 23883, 24840, 25140, 26220, 28911, 30168, 31464, 31844, 37710, 38548, 39330, 39805, 45252, 47196, 47766, 48185, 50280, 52440, 56565, 57822, 58995, 63688, 71649, 75420, 77096, 78660, 79610, 86733, 90504, 94392, 95532, 96370, 113130, 115644, 117990, 119415, 143298, 144555, 150840, 157320, 159220, 173466, 183103, 191064, 192740, 214947, 226260, 231288, 235980, 238830, 260199, 286596, 289110, 318440, 346932, 358245, 366206, 385480, 429894, 433665, 452520, 471960, 477660, 520398, 549309, 573192, 578220, 693864, 716490, 732412, 859788, 867330, 915515, 955320, 1040796, 1074735, 1098618, 1156440, 1300995, 1432980, 1464824, 1647927, 1719576, 1734660, 1831030, 2081592, 2149470, 2197236, 2601990, 2746545, 2865960, 3295854, 3469320, 3662060, 4298940, 4394472, 4943781, 5203980, 5493090, 6591708, 7324120, 8239635, 8597880, 9887562, 10407960, 10986180, 13183416, 16479270, 19775124, 21972360, 24718905, 32958540, 39550248, 49437810, 65917080, 98875620, 197751240]

約数ペア:

[(1, 197751240), (2, 98875620), (3, 65917080), (4, 49437810), (5, 39550248), (6, 32958540), (8, 24718905), (9, 21972360), (10, 19775124), (12, 16479270), (15, 13183416), (18, 10986180), (19, 10407960), (20, 9887562), (23, 8597880), (24, 8239635), (27, 7324120), (30, 6591708), (36, 5493090), (38, 5203980), (40, 4943781), (45, 4394472), (46, 4298940), (54, 3662060), (57, 3469320), (60, 3295854), (69, 2865960), (72, 2746545), (76, 2601990), (90, 2197236), (92, 2149470), (95, 2081592), (108, 1831030), (114, 1734660), (115, 1719576), (120, 1647927), (135, 1464824), (138, 1432980), (152, 1300995), (171, 1156440), (180, 1098618), (184, 1074735), (190, 1040796), (207, 955320), (216, 915515), (228, 867330), (230, 859788), (270, 732412), (276, 716490), (285, 693864), (342, 578220), (345, 573192), (360, 549309), (380, 520398), (414, 477660), (419, 471960), (437, 452520), (456, 433665), (460, 429894), (513, 385480), (540, 366206), (552, 358245), (570, 346932), (621, 318440), (684, 289110), (690, 286596), (760, 260199), (828, 238830), (838, 235980), (855, 231288), (874, 226260), (920, 214947), (1026, 192740), (1035, 191064), (1080, 183103), (1140, 173466), (1242, 159220), (1257, 157320), (1311, 150840), (1368, 144555), (1380, 143298), (1656, 119415), (1676, 117990), (1710, 115644), (1748, 113130), (2052, 96370), (2070, 95532), (2095, 94392), (2185, 90504), (2280, 86733), (2484, 79610), (2514, 78660), (2565, 77096), (2622, 75420), (2760, 71649), (3105, 63688), (3352, 58995), (3420, 57822), (3496, 56565), (3771, 52440), (3933, 50280), (4104, 48185), (4140, 47766), (4190, 47196), (4370, 45252), (4968, 39805), (5028, 39330), (5130, 38548), (5244, 37710), (6210, 31844), (6285, 31464), (6555, 30168), (6840, 28911), (7542, 26220), (7866, 25140), (7961, 24840), (8280, 23883), (8380, 23598), (8740, 22626), (9637, 20520), (10056, 19665), (10260, 19274), (10488, 18855), (11313, 17480), (11799, 16760), (12420, 15922), (12570, 15732), (13110, 15084)]