80965980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 240

約数和(自身を含む): 276623424

約数和(自身を除く): 195657444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 41, 45, 46, 53, 54, 60, 69, 81, 82, 90, 92, 106, 108, 115, 123, 135, 138, 159, 162, 164, 180, 205, 207, 212, 230, 246, 265, 270, 276, 318, 324, 345, 369, 405, 410, 414, 460, 477, 492, 530, 540, 615, 621, 636, 690, 738, 795, 810, 820, 828, 943, 954, 1035, 1060, 1107, 1219, 1230, 1242, 1380, 1431, 1476, 1590, 1620, 1845, 1863, 1886, 1908, 2070, 2173, 2214, 2385, 2438, 2460, 2484, 2829, 2862, 3105, 3180, 3321, 3657, 3690, 3726, 3772, 4140, 4293, 4346, 4428, 4715, 4770, 4876, 5535, 5658, 5724, 6095, 6210, 6519, 6642, 7155, 7314, 7380, 7452, 8487, 8586, 8692, 9315, 9430, 9540, 10865, 10971, 11070, 11316, 12190, 12420, 13038, 13284, 14145, 14310, 14628, 16605, 16974, 17172, 18285, 18630, 18860, 19557, 21465, 21730, 21942, 22140, 24380, 25461, 26076, 28290, 28620, 32595, 32913, 33210, 33948, 36570, 37260, 39114, 42435, 42930, 43460, 43884, 49979, 50922, 54855, 56580, 58671, 65190, 65826, 66420, 73140, 76383, 78228, 84870, 85860, 97785, 98739, 99958, 101844, 109710, 117342, 127305, 130380, 131652, 149937, 152766, 164565, 169740, 176013, 195570, 197478, 199916, 219420, 234684, 249895, 254610, 293355, 299874, 305532, 329130, 352026, 381915, 391140, 394956, 449811, 493695, 499790, 509220, 586710, 599748, 658260, 704052, 749685, 763830, 880065, 899622, 987390, 999580, 1173420, 1349433, 1499370, 1527660, 1760130, 1799244, 1974780, 2249055, 2698866, 2998740, 3520260, 4048299, 4498110, 5397732, 6747165, 8096598, 8996220, 13494330, 16193196, 20241495, 26988660, 40482990, 80965980]

約数ペア:

[(1, 80965980), (2, 40482990), (3, 26988660), (4, 20241495), (5, 16193196), (6, 13494330), (9, 8996220), (10, 8096598), (12, 6747165), (15, 5397732), (18, 4498110), (20, 4048299), (23, 3520260), (27, 2998740), (30, 2698866), (36, 2249055), (41, 1974780), (45, 1799244), (46, 1760130), (53, 1527660), (54, 1499370), (60, 1349433), (69, 1173420), (81, 999580), (82, 987390), (90, 899622), (92, 880065), (106, 763830), (108, 749685), (115, 704052), (123, 658260), (135, 599748), (138, 586710), (159, 509220), (162, 499790), (164, 493695), (180, 449811), (205, 394956), (207, 391140), (212, 381915), (230, 352026), (246, 329130), (265, 305532), (270, 299874), (276, 293355), (318, 254610), (324, 249895), (345, 234684), (369, 219420), (405, 199916), (410, 197478), (414, 195570), (460, 176013), (477, 169740), (492, 164565), (530, 152766), (540, 149937), (615, 131652), (621, 130380), (636, 127305), (690, 117342), (738, 109710), (795, 101844), (810, 99958), (820, 98739), (828, 97785), (943, 85860), (954, 84870), (1035, 78228), (1060, 76383), (1107, 73140), (1219, 66420), (1230, 65826), (1242, 65190), (1380, 58671), (1431, 56580), (1476, 54855), (1590, 50922), (1620, 49979), (1845, 43884), (1863, 43460), (1886, 42930), (1908, 42435), (2070, 39114), (2173, 37260), (2214, 36570), (2385, 33948), (2438, 33210), (2460, 32913), (2484, 32595), (2829, 28620), (2862, 28290), (3105, 26076), (3180, 25461), (3321, 24380), (3657, 22140), (3690, 21942), (3726, 21730), (3772, 21465), (4140, 19557), (4293, 18860), (4346, 18630), (4428, 18285), (4715, 17172), (4770, 16974), (4876, 16605), (5535, 14628), (5658, 14310), (5724, 14145), (6095, 13284), (6210, 13038), (6519, 12420), (6642, 12190), (7155, 11316), (7314, 11070), (7380, 10971), (7452, 10865), (8487, 9540), (8586, 9430), (8692, 9315)]