128379680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 369847296

約数和(自身を除く): 241467616

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 160, 176, 181, 208, 220, 248, 260, 286, 310, 341, 352, 362, 403, 416, 440, 496, 520, 572, 620, 682, 715, 724, 806, 880, 905, 992, 1040, 1144, 1240, 1364, 1430, 1448, 1612, 1705, 1760, 1810, 1991, 2015, 2080, 2288, 2353, 2480, 2728, 2860, 2896, 3224, 3410, 3620, 3982, 4030, 4433, 4576, 4706, 4960, 5456, 5611, 5720, 5792, 6448, 6820, 7240, 7964, 8060, 8866, 9412, 9955, 10912, 11222, 11440, 11765, 12896, 13640, 14480, 15928, 16120, 17732, 18824, 19910, 22165, 22444, 22880, 23530, 25883, 27280, 28055, 28960, 31856, 32240, 35464, 37648, 39820, 44330, 44888, 47060, 51766, 54560, 56110, 61721, 63712, 64480, 70928, 72943, 75296, 79640, 88660, 89776, 94120, 103532, 112220, 123442, 129415, 141856, 145886, 159280, 177320, 179552, 188240, 207064, 224440, 246884, 258830, 291772, 308605, 318560, 354640, 364715, 376480, 414128, 448880, 493768, 517660, 583544, 617210, 709280, 729430, 802373, 828256, 897760, 987536, 1035320, 1167088, 1234420, 1458860, 1604746, 1975072, 2070640, 2334176, 2468840, 2917720, 3209492, 4011865, 4141280, 4937680, 5835440, 6418984, 8023730, 9875360, 11670880, 12837968, 16047460, 25675936, 32094920, 64189840, 128379680]

約数ペア:

[(1, 128379680), (2, 64189840), (4, 32094920), (5, 25675936), (8, 16047460), (10, 12837968), (11, 11670880), (13, 9875360), (16, 8023730), (20, 6418984), (22, 5835440), (26, 4937680), (31, 4141280), (32, 4011865), (40, 3209492), (44, 2917720), (52, 2468840), (55, 2334176), (62, 2070640), (65, 1975072), (80, 1604746), (88, 1458860), (104, 1234420), (110, 1167088), (124, 1035320), (130, 987536), (143, 897760), (155, 828256), (160, 802373), (176, 729430), (181, 709280), (208, 617210), (220, 583544), (248, 517660), (260, 493768), (286, 448880), (310, 414128), (341, 376480), (352, 364715), (362, 354640), (403, 318560), (416, 308605), (440, 291772), (496, 258830), (520, 246884), (572, 224440), (620, 207064), (682, 188240), (715, 179552), (724, 177320), (806, 159280), (880, 145886), (905, 141856), (992, 129415), (1040, 123442), (1144, 112220), (1240, 103532), (1364, 94120), (1430, 89776), (1448, 88660), (1612, 79640), (1705, 75296), (1760, 72943), (1810, 70928), (1991, 64480), (2015, 63712), (2080, 61721), (2288, 56110), (2353, 54560), (2480, 51766), (2728, 47060), (2860, 44888), (2896, 44330), (3224, 39820), (3410, 37648), (3620, 35464), (3982, 32240), (4030, 31856), (4433, 28960), (4576, 28055), (4706, 27280), (4960, 25883), (5456, 23530), (5611, 22880), (5720, 22444), (5792, 22165), (6448, 19910), (6820, 18824), (7240, 17732), (7964, 16120), (8060, 15928), (8866, 14480), (9412, 13640), (9955, 12896), (10912, 11765), (11222, 11440)]