420501120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1043

約数の個数: 256

約数和(自身を含む): 1529902080

約数和(自身を除く): 1109400960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 204, 208, 221, 240, 255, 260, 272, 312, 320, 340, 384, 390, 408, 416, 442, 480, 510, 520, 544, 624, 640, 663, 680, 780, 816, 832, 884, 960, 991, 1020, 1040, 1088, 1105, 1248, 1326, 1360, 1560, 1632, 1664, 1768, 1920, 1982, 2040, 2080, 2176, 2210, 2496, 2652, 2720, 2973, 3120, 3264, 3315, 3536, 3964, 4080, 4160, 4420, 4955, 4992, 5304, 5440, 5946, 6240, 6528, 6630, 7072, 7928, 8160, 8320, 8840, 9910, 10608, 10880, 11892, 12480, 12883, 13260, 14144, 14865, 15856, 16320, 16847, 17680, 19820, 21216, 23784, 24960, 25766, 26520, 28288, 29730, 31712, 32640, 33694, 35360, 38649, 39640, 42432, 47568, 50541, 51532, 53040, 59460, 63424, 64415, 67388, 70720, 77298, 79280, 84235, 84864, 95136, 101082, 103064, 106080, 118920, 126848, 128830, 134776, 141440, 154596, 158560, 168470, 190272, 193245, 202164, 206128, 212160, 219011, 237840, 252705, 257660, 269552, 309192, 317120, 336940, 380544, 386490, 404328, 412256, 424320, 438022, 475680, 505410, 515320, 539104, 618384, 634240, 657033, 673880, 772980, 808656, 824512, 876044, 951360, 1010820, 1030640, 1078208, 1095055, 1236768, 1314066, 1347760, 1545960, 1617312, 1649024, 1752088, 1902720, 2021640, 2061280, 2156416, 2190110, 2473536, 2628132, 2695520, 3091920, 3234624, 3285165, 3504176, 4043280, 4122560, 4380220, 4947072, 5256264, 5391040, 6183840, 6469248, 6570330, 7008352, 8086560, 8245120, 8760440, 10512528, 10782080, 12367680, 13140660, 14016704, 16173120, 17520880, 21025056, 24735360, 26281320, 28033408, 32346240, 35041760, 42050112, 52562640, 70083520, 84100224, 105125280, 140167040, 210250560, 420501120]

約数ペア:

[(1, 420501120), (2, 210250560), (3, 140167040), (4, 105125280), (5, 84100224), (6, 70083520), (8, 52562640), (10, 42050112), (12, 35041760), (13, 32346240), (15, 28033408), (16, 26281320), (17, 24735360), (20, 21025056), (24, 17520880), (26, 16173120), (30, 14016704), (32, 13140660), (34, 12367680), (39, 10782080), (40, 10512528), (48, 8760440), (51, 8245120), (52, 8086560), (60, 7008352), (64, 6570330), (65, 6469248), (68, 6183840), (78, 5391040), (80, 5256264), (85, 4947072), (96, 4380220), (102, 4122560), (104, 4043280), (120, 3504176), (128, 3285165), (130, 3234624), (136, 3091920), (156, 2695520), (160, 2628132), (170, 2473536), (192, 2190110), (195, 2156416), (204, 2061280), (208, 2021640), (221, 1902720), (240, 1752088), (255, 1649024), (260, 1617312), (272, 1545960), (312, 1347760), (320, 1314066), (340, 1236768), (384, 1095055), (390, 1078208), (408, 1030640), (416, 1010820), (442, 951360), (480, 876044), (510, 824512), (520, 808656), (544, 772980), (624, 673880), (640, 657033), (663, 634240), (680, 618384), (780, 539104), (816, 515320), (832, 505410), (884, 475680), (960, 438022), (991, 424320), (1020, 412256), (1040, 404328), (1088, 386490), (1105, 380544), (1248, 336940), (1326, 317120), (1360, 309192), (1560, 269552), (1632, 257660), (1664, 252705), (1768, 237840), (1920, 219011), (1982, 212160), (2040, 206128), (2080, 202164), (2176, 193245), (2210, 190272), (2496, 168470), (2652, 158560), (2720, 154596), (2973, 141440), (3120, 134776), (3264, 128830), (3315, 126848), (3536, 118920), (3964, 106080), (4080, 103064), (4160, 101082), (4420, 95136), (4955, 84864), (4992, 84235), (5304, 79280), (5440, 77298), (5946, 70720), (6240, 67388), (6528, 64415), (6630, 63424), (7072, 59460), (7928, 53040), (8160, 51532), (8320, 50541), (8840, 47568), (9910, 42432), (10608, 39640), (10880, 38649), (11892, 35360), (12480, 33694), (12883, 32640), (13260, 31712), (14144, 29730), (14865, 28288), (15856, 26520), (16320, 25766), (16847, 24960), (17680, 23784), (19820, 21216)]