161295680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 224

約数和(自身を含む): 491581440

約数和(自身を除く): 330285760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 64, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 160, 182, 191, 203, 208, 224, 232, 260, 280, 290, 320, 364, 377, 382, 406, 416, 448, 455, 464, 520, 560, 580, 728, 754, 764, 812, 832, 910, 928, 955, 1015, 1040, 1120, 1160, 1337, 1456, 1508, 1528, 1624, 1820, 1856, 1885, 1910, 2030, 2080, 2240, 2320, 2483, 2639, 2674, 2912, 3016, 3056, 3248, 3640, 3770, 3820, 4060, 4160, 4640, 4966, 5278, 5348, 5539, 5824, 6032, 6112, 6496, 6685, 7280, 7540, 7640, 8120, 9280, 9932, 10556, 10696, 11078, 12064, 12224, 12415, 12992, 13195, 13370, 14560, 15080, 15280, 16240, 17381, 19864, 21112, 21392, 22156, 24128, 24830, 26390, 26740, 27695, 29120, 30160, 30560, 32480, 34762, 38773, 39728, 42224, 42784, 44312, 49660, 52780, 53480, 55390, 60320, 61120, 64960, 69524, 72007, 77546, 79456, 84448, 85568, 86905, 88624, 99320, 105560, 106960, 110780, 120640, 139048, 144014, 155092, 158912, 168896, 173810, 177248, 193865, 198640, 211120, 213920, 221560, 278096, 288028, 310184, 347620, 354496, 360035, 387730, 397280, 422240, 427840, 443120, 504049, 556192, 576056, 620368, 695240, 720070, 775460, 794560, 844480, 886240, 1008098, 1112384, 1152112, 1240736, 1390480, 1440140, 1550920, 1772480, 2016196, 2304224, 2481472, 2520245, 2780960, 2880280, 3101840, 4032392, 4608448, 5040490, 5561920, 5760560, 6203680, 8064784, 10080980, 11521120, 12407360, 16129568, 20161960, 23042240, 32259136, 40323920, 80647840, 161295680]

約数ペア:

[(1, 161295680), (2, 80647840), (4, 40323920), (5, 32259136), (7, 23042240), (8, 20161960), (10, 16129568), (13, 12407360), (14, 11521120), (16, 10080980), (20, 8064784), (26, 6203680), (28, 5760560), (29, 5561920), (32, 5040490), (35, 4608448), (40, 4032392), (52, 3101840), (56, 2880280), (58, 2780960), (64, 2520245), (65, 2481472), (70, 2304224), (80, 2016196), (91, 1772480), (104, 1550920), (112, 1440140), (116, 1390480), (130, 1240736), (140, 1152112), (145, 1112384), (160, 1008098), (182, 886240), (191, 844480), (203, 794560), (208, 775460), (224, 720070), (232, 695240), (260, 620368), (280, 576056), (290, 556192), (320, 504049), (364, 443120), (377, 427840), (382, 422240), (406, 397280), (416, 387730), (448, 360035), (455, 354496), (464, 347620), (520, 310184), (560, 288028), (580, 278096), (728, 221560), (754, 213920), (764, 211120), (812, 198640), (832, 193865), (910, 177248), (928, 173810), (955, 168896), (1015, 158912), (1040, 155092), (1120, 144014), (1160, 139048), (1337, 120640), (1456, 110780), (1508, 106960), (1528, 105560), (1624, 99320), (1820, 88624), (1856, 86905), (1885, 85568), (1910, 84448), (2030, 79456), (2080, 77546), (2240, 72007), (2320, 69524), (2483, 64960), (2639, 61120), (2674, 60320), (2912, 55390), (3016, 53480), (3056, 52780), (3248, 49660), (3640, 44312), (3770, 42784), (3820, 42224), (4060, 39728), (4160, 38773), (4640, 34762), (4966, 32480), (5278, 30560), (5348, 30160), (5539, 29120), (5824, 27695), (6032, 26740), (6112, 26390), (6496, 24830), (6685, 24128), (7280, 22156), (7540, 21392), (7640, 21112), (8120, 19864), (9280, 17381), (9932, 16240), (10556, 15280), (10696, 15080), (11078, 14560), (12064, 13370), (12224, 13195), (12415, 12992)]