178970220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 288

約数和(自身を含む): 676952640

約数和(自身を除く): 497982420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 17, 18, 20, 22, 26, 30, 33, 34, 36, 39, 44, 45, 51, 52, 55, 60, 65, 66, 68, 78, 85, 90, 99, 102, 110, 117, 130, 132, 143, 153, 156, 165, 170, 180, 187, 195, 198, 204, 220, 221, 234, 255, 260, 286, 306, 330, 340, 374, 390, 396, 409, 429, 442, 468, 495, 510, 561, 572, 585, 612, 660, 663, 715, 748, 765, 780, 818, 858, 884, 935, 990, 1020, 1105, 1122, 1170, 1227, 1287, 1326, 1430, 1530, 1636, 1683, 1716, 1870, 1980, 1989, 2045, 2145, 2210, 2244, 2340, 2431, 2454, 2574, 2652, 2805, 2860, 3060, 3315, 3366, 3681, 3740, 3978, 4090, 4290, 4420, 4499, 4862, 4908, 5148, 5317, 5610, 6135, 6435, 6630, 6732, 6953, 7293, 7362, 7956, 8180, 8415, 8580, 8998, 9724, 9945, 10634, 11220, 12155, 12270, 12870, 13260, 13497, 13906, 14586, 14724, 15951, 16830, 17996, 18405, 19890, 20859, 21268, 21879, 22495, 24310, 24540, 25740, 26585, 26994, 27812, 29172, 31902, 33660, 34765, 36465, 36810, 39780, 40491, 41718, 43758, 44990, 47853, 48620, 53170, 53988, 58487, 62577, 63804, 67485, 69530, 72930, 73620, 76483, 79755, 80982, 83436, 87516, 89980, 90389, 95706, 104295, 106340, 109395, 116974, 125154, 134970, 139060, 145860, 152966, 159510, 161964, 175461, 180778, 191412, 202455, 208590, 218790, 229449, 233948, 239265, 250308, 269940, 271167, 292435, 305932, 312885, 319020, 350922, 361556, 382415, 404910, 417180, 437580, 451945, 458898, 478530, 526383, 542334, 584870, 625770, 688347, 701844, 764830, 809820, 813501, 877305, 903890, 917796, 957060, 994279, 1052766, 1084668, 1147245, 1169740, 1251540, 1355835, 1376694, 1529660, 1627002, 1754610, 1807780, 1988558, 2105532, 2294490, 2631915, 2711670, 2753388, 2982837, 3254004, 3441735, 3509220, 3977116, 4067505, 4588980, 4971395, 5263830, 5423340, 5965674, 6883470, 8135010, 8948511, 9942790, 10527660, 11931348, 13766940, 14914185, 16270020, 17897022, 19885580, 29828370, 35794044, 44742555, 59656740, 89485110, 178970220]

約数ペア:

[(1, 178970220), (2, 89485110), (3, 59656740), (4, 44742555), (5, 35794044), (6, 29828370), (9, 19885580), (10, 17897022), (11, 16270020), (12, 14914185), (13, 13766940), (15, 11931348), (17, 10527660), (18, 9942790), (20, 8948511), (22, 8135010), (26, 6883470), (30, 5965674), (33, 5423340), (34, 5263830), (36, 4971395), (39, 4588980), (44, 4067505), (45, 3977116), (51, 3509220), (52, 3441735), (55, 3254004), (60, 2982837), (65, 2753388), (66, 2711670), (68, 2631915), (78, 2294490), (85, 2105532), (90, 1988558), (99, 1807780), (102, 1754610), (110, 1627002), (117, 1529660), (130, 1376694), (132, 1355835), (143, 1251540), (153, 1169740), (156, 1147245), (165, 1084668), (170, 1052766), (180, 994279), (187, 957060), (195, 917796), (198, 903890), (204, 877305), (220, 813501), (221, 809820), (234, 764830), (255, 701844), (260, 688347), (286, 625770), (306, 584870), (330, 542334), (340, 526383), (374, 478530), (390, 458898), (396, 451945), (409, 437580), (429, 417180), (442, 404910), (468, 382415), (495, 361556), (510, 350922), (561, 319020), (572, 312885), (585, 305932), (612, 292435), (660, 271167), (663, 269940), (715, 250308), (748, 239265), (765, 233948), (780, 229449), (818, 218790), (858, 208590), (884, 202455), (935, 191412), (990, 180778), (1020, 175461), (1105, 161964), (1122, 159510), (1170, 152966), (1227, 145860), (1287, 139060), (1326, 134970), (1430, 125154), (1530, 116974), (1636, 109395), (1683, 106340), (1716, 104295), (1870, 95706), (1980, 90389), (1989, 89980), (2045, 87516), (2145, 83436), (2210, 80982), (2244, 79755), (2340, 76483), (2431, 73620), (2454, 72930), (2574, 69530), (2652, 67485), (2805, 63804), (2860, 62577), (3060, 58487), (3315, 53988), (3366, 53170), (3681, 48620), (3740, 47853), (3978, 44990), (4090, 43758), (4290, 41718), (4420, 40491), (4499, 39780), (4862, 36810), (4908, 36465), (5148, 34765), (5317, 33660), (5610, 31902), (6135, 29172), (6435, 27812), (6630, 26994), (6732, 26585), (6953, 25740), (7293, 24540), (7362, 24310), (7956, 22495), (8180, 21879), (8415, 21268), (8580, 20859), (8998, 19890), (9724, 18405), (9945, 17996), (10634, 16830), (11220, 15951), (12155, 14724), (12270, 14586), (12870, 13906), (13260, 13497)]