256294080

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12713}}^1$

素因数の和:12743

約数の個数: 168

約数和(自身を含む): 1007559072

約数和(自身を除く): 751264992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 12713, 20160, 25426, 38139, 50852, 63565, 76278, 88991, 101704, 114417, 127130, 152556, 177982, 190695, 203408, 228834, 254260, 266973, 305112, 355964, 381390, 406816, 444955, 457668, 508520, 533946, 572085, 610224, 711928, 762780, 800919, 813632, 889910, 915336, 1017040, 1067892, 1144170, 1220448, 1334865, 1423856, 1525560, 1601838, 1779820, 1830672, 2034080, 2135784, 2288340, 2440896, 2669730, 2847712, 3051120, 3203676, 3559640, 3661344, 4004595, 4068160, 4271568, 4576680, 5339460, 5695424, 6102240, 6407352, 7119280, 7322688, 8009190, 8543136, 9153360, 10678920, 12204480, 12814704, 14238560, 16018380, 17086272, 18306720, 21357840, 25629408, 28477120, 32036760, 36613440, 42715680, 51258816, 64073520, 85431360, 128147040, 256294080]

約数ペア:

[(1, 256294080), (2, 128147040), (3, 85431360), (4, 64073520), (5, 51258816), (6, 42715680), (7, 36613440), (8, 32036760), (9, 28477120), (10, 25629408), (12, 21357840), (14, 18306720), (15, 17086272), (16, 16018380), (18, 14238560), (20, 12814704), (21, 12204480), (24, 10678920), (28, 9153360), (30, 8543136), (32, 8009190), (35, 7322688), (36, 7119280), (40, 6407352), (42, 6102240), (45, 5695424), (48, 5339460), (56, 4576680), (60, 4271568), (63, 4068160), (64, 4004595), (70, 3661344), (72, 3559640), (80, 3203676), (84, 3051120), (90, 2847712), (96, 2669730), (105, 2440896), (112, 2288340), (120, 2135784), (126, 2034080), (140, 1830672), (144, 1779820), (160, 1601838), (168, 1525560), (180, 1423856), (192, 1334865), (210, 1220448), (224, 1144170), (240, 1067892), (252, 1017040), (280, 915336), (288, 889910), (315, 813632), (320, 800919), (336, 762780), (360, 711928), (420, 610224), (448, 572085), (480, 533946), (504, 508520), (560, 457668), (576, 444955), (630, 406816), (672, 381390), (720, 355964), (840, 305112), (960, 266973), (1008, 254260), (1120, 228834), (1260, 203408), (1344, 190695), (1440, 177982), (1680, 152556), (2016, 127130), (2240, 114417), (2520, 101704), (2880, 88991), (3360, 76278), (4032, 63565), (5040, 50852), (6720, 38139), (10080, 25426), (12713, 20160)]