321397920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 288

約数和(自身を含む): 1224175680

約数和(自身を除く): 902777760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 136, 144, 152, 153, 160, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 288, 304, 306, 323, 340, 342, 360, 380, 408, 456, 480, 510, 544, 570, 608, 612, 646, 680, 684, 691, 720, 760, 765, 816, 855, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1382, 1440, 1520, 1530, 1615, 1632, 1710, 1824, 1938, 2040, 2073, 2280, 2448, 2584, 2720, 2736, 2764, 2907, 3040, 3060, 3230, 3420, 3455, 3876, 4080, 4146, 4560, 4845, 4896, 5168, 5472, 5528, 5814, 6120, 6219, 6460, 6840, 6910, 7752, 8160, 8292, 9120, 9690, 10336, 10365, 11056, 11628, 11747, 12240, 12438, 12920, 13129, 13680, 13820, 14535, 15504, 16584, 19380, 20730, 22112, 23256, 23494, 24480, 24876, 25840, 26258, 27360, 27640, 29070, 31008, 31095, 33168, 35241, 38760, 39387, 41460, 46512, 46988, 49752, 51680, 52516, 55280, 58140, 58735, 62190, 65645, 66336, 70482, 77520, 78774, 82920, 93024, 93976, 99504, 105032, 105723, 110560, 116280, 117470, 118161, 124380, 131290, 140964, 155040, 157548, 165840, 176205, 187952, 196935, 199008, 210064, 211446, 223193, 232560, 234940, 236322, 248760, 262580, 281928, 315096, 331680, 352410, 375904, 393870, 420128, 422892, 446386, 465120, 469880, 472644, 497520, 525160, 528615, 563856, 590805, 630192, 669579, 704820, 787740, 845784, 892772, 939760, 945288, 995040, 1050320, 1057230, 1115965, 1127712, 1181610, 1260384, 1339158, 1409640, 1575480, 1691568, 1785544, 1879520, 1890576, 2008737, 2100640, 2114460, 2231930, 2363220, 2678316, 2819280, 3150960, 3347895, 3383136, 3571088, 3781152, 4017474, 4228920, 4463860, 4726440, 5356632, 5638560, 6301920, 6695790, 7142176, 8034948, 8457840, 8927720, 9452880, 10043685, 10713264, 13391580, 16069896, 16915680, 17855440, 18905760, 20087370, 21426528, 26783160, 32139792, 35710880, 40174740, 53566320, 64279584, 80349480, 107132640, 160698960, 321397920]

約数ペア:

[(1, 321397920), (2, 160698960), (3, 107132640), (4, 80349480), (5, 64279584), (6, 53566320), (8, 40174740), (9, 35710880), (10, 32139792), (12, 26783160), (15, 21426528), (16, 20087370), (17, 18905760), (18, 17855440), (19, 16915680), (20, 16069896), (24, 13391580), (30, 10713264), (32, 10043685), (34, 9452880), (36, 8927720), (38, 8457840), (40, 8034948), (45, 7142176), (48, 6695790), (51, 6301920), (57, 5638560), (60, 5356632), (68, 4726440), (72, 4463860), (76, 4228920), (80, 4017474), (85, 3781152), (90, 3571088), (95, 3383136), (96, 3347895), (102, 3150960), (114, 2819280), (120, 2678316), (136, 2363220), (144, 2231930), (152, 2114460), (153, 2100640), (160, 2008737), (170, 1890576), (171, 1879520), (180, 1785544), (190, 1691568), (204, 1575480), (228, 1409640), (240, 1339158), (255, 1260384), (272, 1181610), (285, 1127712), (288, 1115965), (304, 1057230), (306, 1050320), (323, 995040), (340, 945288), (342, 939760), (360, 892772), (380, 845784), (408, 787740), (456, 704820), (480, 669579), (510, 630192), (544, 590805), (570, 563856), (608, 528615), (612, 525160), (646, 497520), (680, 472644), (684, 469880), (691, 465120), (720, 446386), (760, 422892), (765, 420128), (816, 393870), (855, 375904), (912, 352410), (969, 331680), (1020, 315096), (1140, 281928), (1224, 262580), (1292, 248760), (1360, 236322), (1368, 234940), (1382, 232560), (1440, 223193), (1520, 211446), (1530, 210064), (1615, 199008), (1632, 196935), (1710, 187952), (1824, 176205), (1938, 165840), (2040, 157548), (2073, 155040), (2280, 140964), (2448, 131290), (2584, 124380), (2720, 118161), (2736, 117470), (2764, 116280), (2907, 110560), (3040, 105723), (3060, 105032), (3230, 99504), (3420, 93976), (3455, 93024), (3876, 82920), (4080, 78774), (4146, 77520), (4560, 70482), (4845, 66336), (4896, 65645), (5168, 62190), (5472, 58735), (5528, 58140), (5814, 55280), (6120, 52516), (6219, 51680), (6460, 49752), (6840, 46988), (6910, 46512), (7752, 41460), (8160, 39387), (8292, 38760), (9120, 35241), (9690, 33168), (10336, 31095), (10365, 31008), (11056, 29070), (11628, 27640), (11747, 27360), (12240, 26258), (12438, 25840), (12920, 24876), (13129, 24480), (13680, 23494), (13820, 23256), (14535, 22112), (15504, 20730), (16584, 19380)]