1638985920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11939}}^1$

素因数の和:11983

約数の個数: 224

約数和(自身を含む): 6114044160

約数和(自身を除く): 4475058240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 240, 260, 264, 286, 312, 320, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 660, 704, 715, 780, 832, 858, 880, 960, 1040, 1056, 1144, 1248, 1320, 1430, 1560, 1716, 1760, 2080, 2112, 2145, 2288, 2496, 2640, 2860, 3120, 3432, 3520, 4160, 4290, 4576, 5280, 5720, 6240, 6864, 8580, 9152, 10560, 11440, 11939, 12480, 13728, 17160, 22880, 23878, 27456, 34320, 35817, 45760, 47756, 59695, 68640, 71634, 95512, 119390, 131329, 137280, 143268, 155207, 179085, 191024, 238780, 262658, 286536, 310414, 358170, 382048, 393987, 465621, 477560, 525316, 573072, 620828, 656645, 716340, 764096, 776035, 787974, 931242, 955120, 1050632, 1146144, 1241656, 1313290, 1432680, 1552070, 1575948, 1707277, 1862484, 1910240, 1969935, 2101264, 2292288, 2328105, 2483312, 2626580, 2865360, 3104140, 3151896, 3414554, 3724968, 3820480, 3939870, 4202528, 4656210, 4966624, 5121831, 5253160, 5730720, 6208280, 6303792, 6829108, 7449936, 7879740, 8405056, 8536385, 9312420, 9933248, 10243662, 10506320, 11461440, 12416560, 12607584, 13658216, 14899872, 15759480, 17072770, 18624840, 20487324, 21012640, 24833120, 25215168, 25609155, 27316432, 29799744, 31518960, 34145540, 37249680, 40974648, 42025280, 49666240, 51218310, 54632864, 63037920, 68291080, 74499360, 81949296, 102436620, 109265728, 126075840, 136582160, 148998720, 163898592, 204873240, 273164320, 327797184, 409746480, 546328640, 819492960, 1638985920]

約数ペア:

[(1, 1638985920), (2, 819492960), (3, 546328640), (4, 409746480), (5, 327797184), (6, 273164320), (8, 204873240), (10, 163898592), (11, 148998720), (12, 136582160), (13, 126075840), (15, 109265728), (16, 102436620), (20, 81949296), (22, 74499360), (24, 68291080), (26, 63037920), (30, 54632864), (32, 51218310), (33, 49666240), (39, 42025280), (40, 40974648), (44, 37249680), (48, 34145540), (52, 31518960), (55, 29799744), (60, 27316432), (64, 25609155), (65, 25215168), (66, 24833120), (78, 21012640), (80, 20487324), (88, 18624840), (96, 17072770), (104, 15759480), (110, 14899872), (120, 13658216), (130, 12607584), (132, 12416560), (143, 11461440), (156, 10506320), (160, 10243662), (165, 9933248), (176, 9312420), (192, 8536385), (195, 8405056), (208, 7879740), (220, 7449936), (240, 6829108), (260, 6303792), (264, 6208280), (286, 5730720), (312, 5253160), (320, 5121831), (330, 4966624), (352, 4656210), (390, 4202528), (416, 3939870), (429, 3820480), (440, 3724968), (480, 3414554), (520, 3151896), (528, 3104140), (572, 2865360), (624, 2626580), (660, 2483312), (704, 2328105), (715, 2292288), (780, 2101264), (832, 1969935), (858, 1910240), (880, 1862484), (960, 1707277), (1040, 1575948), (1056, 1552070), (1144, 1432680), (1248, 1313290), (1320, 1241656), (1430, 1146144), (1560, 1050632), (1716, 955120), (1760, 931242), (2080, 787974), (2112, 776035), (2145, 764096), (2288, 716340), (2496, 656645), (2640, 620828), (2860, 573072), (3120, 525316), (3432, 477560), (3520, 465621), (4160, 393987), (4290, 382048), (4576, 358170), (5280, 310414), (5720, 286536), (6240, 262658), (6864, 238780), (8580, 191024), (9152, 179085), (10560, 155207), (11440, 143268), (11939, 137280), (12480, 131329), (13728, 119390), (17160, 95512), (22880, 71634), (23878, 68640), (27456, 59695), (34320, 47756), (35817, 45760)]