128304540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:418

約数の個数: 288

約数和(自身を含む): 501399360

約数和(自身を除く): 373094820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 373, 378, 390, 420, 441, 455, 468, 490, 540, 546, 585, 588, 630, 637, 702, 735, 746, 756, 780, 819, 882, 910, 945, 980, 1092, 1119, 1170, 1260, 1274, 1323, 1365, 1404, 1470, 1492, 1638, 1755, 1764, 1820, 1865, 1890, 1911, 2205, 2238, 2340, 2457, 2548, 2611, 2646, 2730, 2940, 3185, 3276, 3357, 3510, 3730, 3780, 3822, 4095, 4410, 4476, 4849, 4914, 5222, 5292, 5460, 5595, 5733, 6370, 6615, 6714, 7020, 7460, 7644, 7833, 8190, 8820, 9555, 9698, 9828, 10071, 10444, 11190, 11466, 12285, 12740, 13055, 13230, 13428, 14547, 15666, 16380, 16785, 17199, 18277, 19110, 19396, 20142, 22380, 22932, 23499, 24245, 24570, 26110, 26460, 28665, 29094, 31332, 33570, 33943, 34398, 36554, 38220, 39165, 40284, 43641, 46998, 48490, 49140, 50355, 52220, 54831, 57330, 58188, 67140, 67886, 68796, 70497, 72735, 73108, 78330, 85995, 87282, 91385, 93996, 96980, 100710, 101829, 109662, 114660, 117495, 130923, 135772, 140994, 145470, 156660, 164493, 169715, 171990, 174564, 182770, 201420, 203658, 218205, 219324, 234990, 237601, 261846, 274155, 281988, 290940, 305487, 328986, 339430, 343980, 352485, 365540, 407316, 436410, 469980, 475202, 493479, 509145, 523692, 548310, 610974, 654615, 657972, 678860, 704970, 712803, 822465, 872820, 916461, 950404, 986958, 1018290, 1096620, 1188005, 1221948, 1309230, 1409940, 1425606, 1527435, 1644930, 1832922, 1973916, 2036580, 2138409, 2376010, 2467395, 2618460, 2851212, 3054870, 3289860, 3564015, 3665844, 4276818, 4582305, 4752020, 4934790, 6109740, 6415227, 7128030, 8553636, 9164610, 9869580, 10692045, 12830454, 14256060, 18329220, 21384090, 25660908, 32076135, 42768180, 64152270, 128304540]

約数ペア:

[(1, 128304540), (2, 64152270), (3, 42768180), (4, 32076135), (5, 25660908), (6, 21384090), (7, 18329220), (9, 14256060), (10, 12830454), (12, 10692045), (13, 9869580), (14, 9164610), (15, 8553636), (18, 7128030), (20, 6415227), (21, 6109740), (26, 4934790), (27, 4752020), (28, 4582305), (30, 4276818), (35, 3665844), (36, 3564015), (39, 3289860), (42, 3054870), (45, 2851212), (49, 2618460), (52, 2467395), (54, 2376010), (60, 2138409), (63, 2036580), (65, 1973916), (70, 1832922), (78, 1644930), (84, 1527435), (90, 1425606), (91, 1409940), (98, 1309230), (105, 1221948), (108, 1188005), (117, 1096620), (126, 1018290), (130, 986958), (135, 950404), (140, 916461), (147, 872820), (156, 822465), (180, 712803), (182, 704970), (189, 678860), (195, 657972), (196, 654615), (210, 610974), (234, 548310), (245, 523692), (252, 509145), (260, 493479), (270, 475202), (273, 469980), (294, 436410), (315, 407316), (351, 365540), (364, 352485), (373, 343980), (378, 339430), (390, 328986), (420, 305487), (441, 290940), (455, 281988), (468, 274155), (490, 261846), (540, 237601), (546, 234990), (585, 219324), (588, 218205), (630, 203658), (637, 201420), (702, 182770), (735, 174564), (746, 171990), (756, 169715), (780, 164493), (819, 156660), (882, 145470), (910, 140994), (945, 135772), (980, 130923), (1092, 117495), (1119, 114660), (1170, 109662), (1260, 101829), (1274, 100710), (1323, 96980), (1365, 93996), (1404, 91385), (1470, 87282), (1492, 85995), (1638, 78330), (1755, 73108), (1764, 72735), (1820, 70497), (1865, 68796), (1890, 67886), (1911, 67140), (2205, 58188), (2238, 57330), (2340, 54831), (2457, 52220), (2548, 50355), (2611, 49140), (2646, 48490), (2730, 46998), (2940, 43641), (3185, 40284), (3276, 39165), (3357, 38220), (3510, 36554), (3730, 34398), (3780, 33943), (3822, 33570), (4095, 31332), (4410, 29094), (4476, 28665), (4849, 26460), (4914, 26110), (5222, 24570), (5292, 24245), (5460, 23499), (5595, 22932), (5733, 22380), (6370, 20142), (6615, 19396), (6714, 19110), (7020, 18277), (7460, 17199), (7644, 16785), (7833, 16380), (8190, 15666), (8820, 14547), (9555, 13428), (9698, 13230), (9828, 13055), (10071, 12740), (10444, 12285), (11190, 11466)]