81836040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 256

約数和(自身を含む): 304819200

約数和(自身を除く): 222983160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 19, 20, 22, 24, 26, 30, 33, 38, 39, 40, 44, 52, 55, 57, 60, 65, 66, 76, 78, 88, 95, 104, 110, 114, 120, 130, 132, 143, 152, 156, 165, 190, 195, 209, 220, 228, 247, 251, 260, 264, 285, 286, 312, 330, 380, 390, 418, 429, 440, 456, 494, 502, 520, 570, 572, 627, 660, 715, 741, 753, 760, 780, 836, 858, 988, 1004, 1045, 1140, 1144, 1235, 1254, 1255, 1320, 1430, 1482, 1506, 1560, 1672, 1716, 1976, 2008, 2090, 2145, 2280, 2470, 2508, 2510, 2717, 2761, 2860, 2964, 3012, 3135, 3263, 3432, 3705, 3765, 4180, 4290, 4769, 4940, 5016, 5020, 5434, 5522, 5720, 5928, 6024, 6270, 6526, 7410, 7530, 8151, 8283, 8360, 8580, 9538, 9789, 9880, 10040, 10868, 11044, 12540, 13052, 13585, 13805, 14307, 14820, 15060, 16302, 16315, 16566, 17160, 19076, 19578, 21736, 22088, 23845, 25080, 26104, 27170, 27610, 28614, 29640, 30120, 32604, 32630, 33132, 35893, 38152, 39156, 40755, 41415, 47690, 48945, 52459, 54340, 55220, 57228, 61997, 65208, 65260, 66264, 71535, 71786, 78312, 81510, 82830, 95380, 97890, 104918, 107679, 108680, 110440, 114456, 123994, 130520, 143070, 143572, 157377, 163020, 165660, 179465, 185991, 190760, 195780, 209836, 215358, 247988, 262295, 286140, 287144, 309985, 314754, 326040, 331320, 358930, 371982, 391560, 419672, 430716, 495976, 524590, 538395, 572280, 619970, 629508, 681967, 717860, 743964, 786885, 861432, 929955, 1049180, 1076790, 1239940, 1259016, 1363934, 1435720, 1487928, 1573770, 1859910, 2045901, 2098360, 2153580, 2479880, 2727868, 3147540, 3409835, 3719820, 4091802, 4307160, 5455736, 6295080, 6819670, 7439640, 8183604, 10229505, 13639340, 16367208, 20459010, 27278680, 40918020, 81836040]

約数ペア:

[(1, 81836040), (2, 40918020), (3, 27278680), (4, 20459010), (5, 16367208), (6, 13639340), (8, 10229505), (10, 8183604), (11, 7439640), (12, 6819670), (13, 6295080), (15, 5455736), (19, 4307160), (20, 4091802), (22, 3719820), (24, 3409835), (26, 3147540), (30, 2727868), (33, 2479880), (38, 2153580), (39, 2098360), (40, 2045901), (44, 1859910), (52, 1573770), (55, 1487928), (57, 1435720), (60, 1363934), (65, 1259016), (66, 1239940), (76, 1076790), (78, 1049180), (88, 929955), (95, 861432), (104, 786885), (110, 743964), (114, 717860), (120, 681967), (130, 629508), (132, 619970), (143, 572280), (152, 538395), (156, 524590), (165, 495976), (190, 430716), (195, 419672), (209, 391560), (220, 371982), (228, 358930), (247, 331320), (251, 326040), (260, 314754), (264, 309985), (285, 287144), (286, 286140), (312, 262295), (330, 247988), (380, 215358), (390, 209836), (418, 195780), (429, 190760), (440, 185991), (456, 179465), (494, 165660), (502, 163020), (520, 157377), (570, 143572), (572, 143070), (627, 130520), (660, 123994), (715, 114456), (741, 110440), (753, 108680), (760, 107679), (780, 104918), (836, 97890), (858, 95380), (988, 82830), (1004, 81510), (1045, 78312), (1140, 71786), (1144, 71535), (1235, 66264), (1254, 65260), (1255, 65208), (1320, 61997), (1430, 57228), (1482, 55220), (1506, 54340), (1560, 52459), (1672, 48945), (1716, 47690), (1976, 41415), (2008, 40755), (2090, 39156), (2145, 38152), (2280, 35893), (2470, 33132), (2508, 32630), (2510, 32604), (2717, 30120), (2761, 29640), (2860, 28614), (2964, 27610), (3012, 27170), (3135, 26104), (3263, 25080), (3432, 23845), (3705, 22088), (3765, 21736), (4180, 19578), (4290, 19076), (4769, 17160), (4940, 16566), (5016, 16315), (5020, 16302), (5434, 15060), (5522, 14820), (5720, 14307), (5928, 13805), (6024, 13585), (6270, 13052), (6526, 12540), (7410, 11044), (7530, 10868), (8151, 10040), (8283, 9880), (8360, 9789), (8580, 9538)]