80647840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 163207520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 160, 182, 191, 203, 208, 224, 232, 260, 280, 290, 364, 377, 382, 406, 416, 455, 464, 520, 560, 580, 728, 754, 764, 812, 910, 928, 955, 1015, 1040, 1120, 1160, 1337, 1456, 1508, 1528, 1624, 1820, 1885, 1910, 2030, 2080, 2320, 2483, 2639, 2674, 2912, 3016, 3056, 3248, 3640, 3770, 3820, 4060, 4640, 4966, 5278, 5348, 5539, 6032, 6112, 6496, 6685, 7280, 7540, 7640, 8120, 9932, 10556, 10696, 11078, 12064, 12415, 13195, 13370, 14560, 15080, 15280, 16240, 17381, 19864, 21112, 21392, 22156, 24830, 26390, 26740, 27695, 30160, 30560, 32480, 34762, 38773, 39728, 42224, 42784, 44312, 49660, 52780, 53480, 55390, 60320, 69524, 72007, 77546, 79456, 84448, 86905, 88624, 99320, 105560, 106960, 110780, 139048, 144014, 155092, 173810, 177248, 193865, 198640, 211120, 213920, 221560, 278096, 288028, 310184, 347620, 360035, 387730, 397280, 422240, 443120, 504049, 556192, 576056, 620368, 695240, 720070, 775460, 886240, 1008098, 1152112, 1240736, 1390480, 1440140, 1550920, 2016196, 2304224, 2520245, 2780960, 2880280, 3101840, 4032392, 5040490, 5760560, 6203680, 8064784, 10080980, 11521120, 16129568, 20161960, 40323920, 80647840]

約数ペア:

[(1, 80647840), (2, 40323920), (4, 20161960), (5, 16129568), (7, 11521120), (8, 10080980), (10, 8064784), (13, 6203680), (14, 5760560), (16, 5040490), (20, 4032392), (26, 3101840), (28, 2880280), (29, 2780960), (32, 2520245), (35, 2304224), (40, 2016196), (52, 1550920), (56, 1440140), (58, 1390480), (65, 1240736), (70, 1152112), (80, 1008098), (91, 886240), (104, 775460), (112, 720070), (116, 695240), (130, 620368), (140, 576056), (145, 556192), (160, 504049), (182, 443120), (191, 422240), (203, 397280), (208, 387730), (224, 360035), (232, 347620), (260, 310184), (280, 288028), (290, 278096), (364, 221560), (377, 213920), (382, 211120), (406, 198640), (416, 193865), (455, 177248), (464, 173810), (520, 155092), (560, 144014), (580, 139048), (728, 110780), (754, 106960), (764, 105560), (812, 99320), (910, 88624), (928, 86905), (955, 84448), (1015, 79456), (1040, 77546), (1120, 72007), (1160, 69524), (1337, 60320), (1456, 55390), (1508, 53480), (1528, 52780), (1624, 49660), (1820, 44312), (1885, 42784), (1910, 42224), (2030, 39728), (2080, 38773), (2320, 34762), (2483, 32480), (2639, 30560), (2674, 30160), (2912, 27695), (3016, 26740), (3056, 26390), (3248, 24830), (3640, 22156), (3770, 21392), (3820, 21112), (4060, 19864), (4640, 17381), (4966, 16240), (5278, 15280), (5348, 15080), (5539, 14560), (6032, 13370), (6112, 13195), (6496, 12415), (6685, 12064), (7280, 11078), (7540, 10696), (7640, 10556), (8120, 9932)]