217427280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 320

約数和(自身を含む): 853659648

約数和(自身を除く): 636232368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 48, 51, 56, 60, 68, 69, 70, 80, 84, 85, 92, 102, 105, 112, 115, 119, 120, 136, 138, 140, 161, 168, 170, 184, 204, 210, 230, 238, 240, 255, 272, 276, 280, 322, 331, 336, 340, 345, 357, 368, 391, 408, 420, 460, 476, 483, 510, 552, 560, 595, 644, 662, 680, 690, 714, 782, 805, 816, 840, 920, 952, 966, 993, 1020, 1104, 1173, 1190, 1288, 1324, 1360, 1380, 1428, 1564, 1610, 1655, 1680, 1785, 1840, 1904, 1932, 1955, 1986, 2040, 2317, 2346, 2380, 2415, 2576, 2648, 2737, 2760, 2856, 3128, 3220, 3310, 3570, 3864, 3910, 3972, 4080, 4634, 4692, 4760, 4830, 4965, 5296, 5474, 5520, 5627, 5712, 5865, 6256, 6440, 6620, 6951, 7140, 7613, 7728, 7820, 7944, 8211, 9268, 9384, 9520, 9660, 9930, 10948, 11254, 11585, 11730, 12880, 13240, 13685, 13902, 14280, 15226, 15640, 15888, 16422, 16881, 18536, 18768, 19320, 19860, 21896, 22508, 22839, 23170, 23460, 26480, 27370, 27804, 28135, 28560, 30452, 31280, 32844, 33762, 34755, 37072, 38065, 38640, 39389, 39720, 41055, 43792, 45016, 45678, 46340, 46920, 53291, 54740, 55608, 56270, 60904, 65688, 67524, 69510, 76130, 78778, 79440, 82110, 84405, 90032, 91356, 92680, 93840, 106582, 109480, 111216, 112540, 114195, 118167, 121808, 129421, 131376, 135048, 139020, 152260, 157556, 159873, 164220, 168810, 182712, 185360, 196945, 213164, 218960, 225080, 228390, 236334, 258842, 266455, 270096, 278040, 304520, 315112, 319746, 328440, 337620, 365424, 388263, 393890, 426328, 450160, 456780, 472668, 517684, 532910, 556080, 590835, 609040, 630224, 639492, 647105, 656880, 675240, 776526, 787780, 799365, 852656, 905947, 913560, 945336, 1035368, 1065820, 1181670, 1278984, 1294210, 1350480, 1553052, 1575560, 1598730, 1811894, 1827120, 1890672, 1941315, 2070736, 2131640, 2363340, 2557968, 2588420, 2717841, 3106104, 3151120, 3197460, 3623788, 3882630, 4263280, 4529735, 4726680, 5176840, 5435682, 6212208, 6394920, 7247576, 7765260, 9059470, 9453360, 10353680, 10871364, 12789840, 13589205, 14495152, 15530520, 18118940, 21742728, 27178410, 31061040, 36237880, 43485456, 54356820, 72475760, 108713640, 217427280]

約数ペア:

[(1, 217427280), (2, 108713640), (3, 72475760), (4, 54356820), (5, 43485456), (6, 36237880), (7, 31061040), (8, 27178410), (10, 21742728), (12, 18118940), (14, 15530520), (15, 14495152), (16, 13589205), (17, 12789840), (20, 10871364), (21, 10353680), (23, 9453360), (24, 9059470), (28, 7765260), (30, 7247576), (34, 6394920), (35, 6212208), (40, 5435682), (42, 5176840), (46, 4726680), (48, 4529735), (51, 4263280), (56, 3882630), (60, 3623788), (68, 3197460), (69, 3151120), (70, 3106104), (80, 2717841), (84, 2588420), (85, 2557968), (92, 2363340), (102, 2131640), (105, 2070736), (112, 1941315), (115, 1890672), (119, 1827120), (120, 1811894), (136, 1598730), (138, 1575560), (140, 1553052), (161, 1350480), (168, 1294210), (170, 1278984), (184, 1181670), (204, 1065820), (210, 1035368), (230, 945336), (238, 913560), (240, 905947), (255, 852656), (272, 799365), (276, 787780), (280, 776526), (322, 675240), (331, 656880), (336, 647105), (340, 639492), (345, 630224), (357, 609040), (368, 590835), (391, 556080), (408, 532910), (420, 517684), (460, 472668), (476, 456780), (483, 450160), (510, 426328), (552, 393890), (560, 388263), (595, 365424), (644, 337620), (662, 328440), (680, 319746), (690, 315112), (714, 304520), (782, 278040), (805, 270096), (816, 266455), (840, 258842), (920, 236334), (952, 228390), (966, 225080), (993, 218960), (1020, 213164), (1104, 196945), (1173, 185360), (1190, 182712), (1288, 168810), (1324, 164220), (1360, 159873), (1380, 157556), (1428, 152260), (1564, 139020), (1610, 135048), (1655, 131376), (1680, 129421), (1785, 121808), (1840, 118167), (1904, 114195), (1932, 112540), (1955, 111216), (1986, 109480), (2040, 106582), (2317, 93840), (2346, 92680), (2380, 91356), (2415, 90032), (2576, 84405), (2648, 82110), (2737, 79440), (2760, 78778), (2856, 76130), (3128, 69510), (3220, 67524), (3310, 65688), (3570, 60904), (3864, 56270), (3910, 55608), (3972, 54740), (4080, 53291), (4634, 46920), (4692, 46340), (4760, 45678), (4830, 45016), (4965, 43792), (5296, 41055), (5474, 39720), (5520, 39389), (5627, 38640), (5712, 38065), (5865, 37072), (6256, 34755), (6440, 33762), (6620, 32844), (6951, 31280), (7140, 30452), (7613, 28560), (7728, 28135), (7820, 27804), (7944, 27370), (8211, 26480), (9268, 23460), (9384, 23170), (9520, 22839), (9660, 22508), (9930, 21896), (10948, 19860), (11254, 19320), (11585, 18768), (11730, 18536), (12880, 16881), (13240, 16422), (13685, 15888), (13902, 15640), (14280, 15226)]