21665880960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{18289}}^1$

素因数の和:18928

約数の個数: 128

約数和(自身を含む): 69175706400

約数和(自身を除く): 47509825440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 617, 640, 960, 1234, 1851, 1920, 2468, 3085, 3702, 4936, 6170, 7404, 9255, 9872, 12340, 14808, 18289, 18510, 19744, 24680, 29616, 36578, 37020, 39488, 49360, 54867, 59232, 73156, 74040, 78976, 91445, 98720, 109734, 118464, 146312, 148080, 182890, 197440, 219468, 236928, 274335, 292624, 296160, 365780, 394880, 438936, 548670, 585248, 592320, 731560, 877872, 1097340, 1170496, 1184640, 1463120, 1755744, 2194680, 2340992, 2926240, 3511488, 4389360, 5852480, 7022976, 8778720, 11284313, 11704960, 17557440, 22568626, 33852939, 35114880, 45137252, 56421565, 67705878, 90274504, 112843130, 135411756, 169264695, 180549008, 225686260, 270823512, 338529390, 361098016, 451372520, 541647024, 677058780, 722196032, 902745040, 1083294048, 1354117560, 1444392064, 1805490080, 2166588096, 2708235120, 3610980160, 4333176192, 5416470240, 7221960320, 10832940480, 21665880960]

約数ペア:

[(1, 21665880960), (2, 10832940480), (3, 7221960320), (4, 5416470240), (5, 4333176192), (6, 3610980160), (8, 2708235120), (10, 2166588096), (12, 1805490080), (15, 1444392064), (16, 1354117560), (20, 1083294048), (24, 902745040), (30, 722196032), (32, 677058780), (40, 541647024), (48, 451372520), (60, 361098016), (64, 338529390), (80, 270823512), (96, 225686260), (120, 180549008), (128, 169264695), (160, 135411756), (192, 112843130), (240, 90274504), (320, 67705878), (384, 56421565), (480, 45137252), (617, 35114880), (640, 33852939), (960, 22568626), (1234, 17557440), (1851, 11704960), (1920, 11284313), (2468, 8778720), (3085, 7022976), (3702, 5852480), (4936, 4389360), (6170, 3511488), (7404, 2926240), (9255, 2340992), (9872, 2194680), (12340, 1755744), (14808, 1463120), (18289, 1184640), (18510, 1170496), (19744, 1097340), (24680, 877872), (29616, 731560), (36578, 592320), (37020, 585248), (39488, 548670), (49360, 438936), (54867, 394880), (59232, 365780), (73156, 296160), (74040, 292624), (78976, 274335), (91445, 236928), (98720, 219468), (109734, 197440), (118464, 182890), (146312, 148080)]