72722880

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 224

約数和(自身を含む): 270662400

約数和(自身を除く): 197939520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 432, 443, 456, 480, 513, 540, 570, 576, 608, 684, 720, 760, 855, 864, 886, 912, 960, 1026, 1080, 1140, 1216, 1329, 1368, 1440, 1520, 1710, 1728, 1772, 1824, 2052, 2160, 2215, 2280, 2565, 2658, 2736, 2880, 3040, 3420, 3544, 3648, 3987, 4104, 4320, 4430, 4560, 5130, 5316, 5472, 6080, 6645, 6840, 7088, 7974, 8208, 8417, 8640, 8860, 9120, 10260, 10632, 10944, 11961, 13290, 13680, 14176, 15948, 16416, 16834, 17720, 18240, 19935, 20520, 21264, 23922, 25251, 26580, 27360, 28352, 31896, 32832, 33668, 35440, 39870, 41040, 42085, 42528, 47844, 50502, 53160, 54720, 59805, 63792, 67336, 70880, 75753, 79740, 82080, 84170, 85056, 95688, 101004, 106320, 119610, 126255, 127584, 134672, 141760, 151506, 159480, 164160, 168340, 191376, 202008, 212640, 227259, 239220, 252510, 255168, 269344, 303012, 318960, 336680, 378765, 382752, 404016, 425280, 454518, 478440, 505020, 538688, 606024, 637920, 673360, 757530, 765504, 808032, 909036, 956880, 1010040, 1136295, 1212048, 1275840, 1346720, 1515060, 1616064, 1818072, 1913760, 2020080, 2272590, 2424096, 2693440, 3030120, 3636144, 3827520, 4040160, 4545180, 4848192, 6060240, 7272288, 8080320, 9090360, 12120480, 14544576, 18180720, 24240960, 36361440, 72722880]

約数ペア:

[(1, 72722880), (2, 36361440), (3, 24240960), (4, 18180720), (5, 14544576), (6, 12120480), (8, 9090360), (9, 8080320), (10, 7272288), (12, 6060240), (15, 4848192), (16, 4545180), (18, 4040160), (19, 3827520), (20, 3636144), (24, 3030120), (27, 2693440), (30, 2424096), (32, 2272590), (36, 2020080), (38, 1913760), (40, 1818072), (45, 1616064), (48, 1515060), (54, 1346720), (57, 1275840), (60, 1212048), (64, 1136295), (72, 1010040), (76, 956880), (80, 909036), (90, 808032), (95, 765504), (96, 757530), (108, 673360), (114, 637920), (120, 606024), (135, 538688), (144, 505020), (152, 478440), (160, 454518), (171, 425280), (180, 404016), (190, 382752), (192, 378765), (216, 336680), (228, 318960), (240, 303012), (270, 269344), (285, 255168), (288, 252510), (304, 239220), (320, 227259), (342, 212640), (360, 202008), (380, 191376), (432, 168340), (443, 164160), (456, 159480), (480, 151506), (513, 141760), (540, 134672), (570, 127584), (576, 126255), (608, 119610), (684, 106320), (720, 101004), (760, 95688), (855, 85056), (864, 84170), (886, 82080), (912, 79740), (960, 75753), (1026, 70880), (1080, 67336), (1140, 63792), (1216, 59805), (1329, 54720), (1368, 53160), (1440, 50502), (1520, 47844), (1710, 42528), (1728, 42085), (1772, 41040), (1824, 39870), (2052, 35440), (2160, 33668), (2215, 32832), (2280, 31896), (2565, 28352), (2658, 27360), (2736, 26580), (2880, 25251), (3040, 23922), (3420, 21264), (3544, 20520), (3648, 19935), (3987, 18240), (4104, 17720), (4320, 16834), (4430, 16416), (4560, 15948), (5130, 14176), (5316, 13680), (5472, 13290), (6080, 11961), (6645, 10944), (6840, 10632), (7088, 10260), (7974, 9120), (8208, 8860), (8417, 8640)]