20554054080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{160981}}^1$

素因数の和:161027

約数の個数: 224

約数和(自身を含む): 78507701760

約数和(自身を除く): 57953647680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 448, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 960, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1995, 2128, 2240, 2280, 2660, 3040, 3192, 3360, 3648, 3990, 4256, 4560, 5320, 6080, 6384, 6720, 7980, 8512, 9120, 10640, 12768, 15960, 18240, 21280, 25536, 31920, 42560, 63840, 127680, 160981, 321962, 482943, 643924, 804905, 965886, 1126867, 1287848, 1609810, 1931772, 2253734, 2414715, 2575696, 3058639, 3219620, 3380601, 3863544, 4507468, 4829430, 5151392, 5634335, 6117278, 6439240, 6761202, 7727088, 9014936, 9175917, 9658860, 10302784, 11268670, 12234556, 12878480, 13522404, 15293195, 15454176, 16903005, 18029872, 18351834, 19317720, 21410473, 22537340, 24469112, 25756960, 27044808, 30586390, 30908352, 33806010, 36059744, 36703668, 38635440, 42820946, 45074680, 45879585, 48938224, 51513920, 54089616, 61172780, 64231419, 67612020, 72119488, 73407336, 77270880, 85641892, 90149360, 91759170, 97876448, 107052365, 108179232, 122345560, 128462838, 135224040, 146814672, 154541760, 171283784, 180298720, 183518340, 195752896, 214104730, 216358464, 244691120, 256925676, 270448080, 293629344, 321157095, 342567568, 360597440, 367036680, 428209460, 489382240, 513851352, 540896160, 587258688, 642314190, 685135136, 734073360, 856418920, 978764480, 1027702704, 1081792320, 1284628380, 1370270272, 1468146720, 1712837840, 2055405408, 2569256760, 2936293440, 3425675680, 4110810816, 5138513520, 6851351360, 10277027040, 20554054080]

約数ペア:

[(1, 20554054080), (2, 10277027040), (3, 6851351360), (4, 5138513520), (5, 4110810816), (6, 3425675680), (7, 2936293440), (8, 2569256760), (10, 2055405408), (12, 1712837840), (14, 1468146720), (15, 1370270272), (16, 1284628380), (19, 1081792320), (20, 1027702704), (21, 978764480), (24, 856418920), (28, 734073360), (30, 685135136), (32, 642314190), (35, 587258688), (38, 540896160), (40, 513851352), (42, 489382240), (48, 428209460), (56, 367036680), (57, 360597440), (60, 342567568), (64, 321157095), (70, 293629344), (76, 270448080), (80, 256925676), (84, 244691120), (95, 216358464), (96, 214104730), (105, 195752896), (112, 183518340), (114, 180298720), (120, 171283784), (133, 154541760), (140, 146814672), (152, 135224040), (160, 128462838), (168, 122345560), (190, 108179232), (192, 107052365), (210, 97876448), (224, 91759170), (228, 90149360), (240, 85641892), (266, 77270880), (280, 73407336), (285, 72119488), (304, 67612020), (320, 64231419), (336, 61172780), (380, 54089616), (399, 51513920), (420, 48938224), (448, 45879585), (456, 45074680), (480, 42820946), (532, 38635440), (560, 36703668), (570, 36059744), (608, 33806010), (665, 30908352), (672, 30586390), (760, 27044808), (798, 25756960), (840, 24469112), (912, 22537340), (960, 21410473), (1064, 19317720), (1120, 18351834), (1140, 18029872), (1216, 16903005), (1330, 15454176), (1344, 15293195), (1520, 13522404), (1596, 12878480), (1680, 12234556), (1824, 11268670), (1995, 10302784), (2128, 9658860), (2240, 9175917), (2280, 9014936), (2660, 7727088), (3040, 6761202), (3192, 6439240), (3360, 6117278), (3648, 5634335), (3990, 5151392), (4256, 4829430), (4560, 4507468), (5320, 3863544), (6080, 3380601), (6384, 3219620), (6720, 3058639), (7980, 2575696), (8512, 2414715), (9120, 2253734), (10640, 1931772), (12768, 1609810), (15960, 1287848), (18240, 1126867), (21280, 965886), (25536, 804905), (31920, 643924), (42560, 482943), (63840, 321962), (127680, 160981)]