1309943440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 160

約数和(自身を含む): 3471777792

約数和(自身を除く): 2161834352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 41, 52, 62, 65, 80, 82, 104, 124, 130, 155, 164, 205, 208, 248, 260, 310, 328, 403, 410, 496, 520, 533, 620, 656, 806, 820, 991, 1040, 1066, 1240, 1271, 1612, 1640, 1982, 2015, 2132, 2480, 2542, 2665, 3224, 3280, 3964, 4030, 4264, 4955, 5084, 5330, 6355, 6448, 7928, 8060, 8528, 9910, 10168, 10660, 12710, 12883, 15856, 16120, 16523, 19820, 20336, 21320, 25420, 25766, 30721, 32240, 33046, 39640, 40631, 42640, 50840, 51532, 61442, 64415, 66092, 79280, 81262, 82615, 101680, 103064, 122884, 128830, 132184, 153605, 162524, 165230, 203155, 206128, 245768, 257660, 264368, 307210, 325048, 330460, 399373, 406310, 491536, 515320, 528203, 614420, 650096, 660920, 798746, 812620, 1030640, 1056406, 1228840, 1259561, 1321840, 1597492, 1625240, 1996865, 2112812, 2457680, 2519122, 2641015, 3194984, 3250480, 3993730, 4225624, 5038244, 5282030, 6297805, 6389968, 7987460, 8451248, 10076488, 10564060, 12595610, 15974920, 16374293, 20152976, 21128120, 25191220, 31949840, 32748586, 42256240, 50382440, 65497172, 81871465, 100764880, 130994344, 163742930, 261988688, 327485860, 654971720, 1309943440]

約数ペア:

[(1, 1309943440), (2, 654971720), (4, 327485860), (5, 261988688), (8, 163742930), (10, 130994344), (13, 100764880), (16, 81871465), (20, 65497172), (26, 50382440), (31, 42256240), (40, 32748586), (41, 31949840), (52, 25191220), (62, 21128120), (65, 20152976), (80, 16374293), (82, 15974920), (104, 12595610), (124, 10564060), (130, 10076488), (155, 8451248), (164, 7987460), (205, 6389968), (208, 6297805), (248, 5282030), (260, 5038244), (310, 4225624), (328, 3993730), (403, 3250480), (410, 3194984), (496, 2641015), (520, 2519122), (533, 2457680), (620, 2112812), (656, 1996865), (806, 1625240), (820, 1597492), (991, 1321840), (1040, 1259561), (1066, 1228840), (1240, 1056406), (1271, 1030640), (1612, 812620), (1640, 798746), (1982, 660920), (2015, 650096), (2132, 614420), (2480, 528203), (2542, 515320), (2665, 491536), (3224, 406310), (3280, 399373), (3964, 330460), (4030, 325048), (4264, 307210), (4955, 264368), (5084, 257660), (5330, 245768), (6355, 206128), (6448, 203155), (7928, 165230), (8060, 162524), (8528, 153605), (9910, 132184), (10168, 128830), (10660, 122884), (12710, 103064), (12883, 101680), (15856, 82615), (16120, 81262), (16523, 79280), (19820, 66092), (20336, 64415), (21320, 61442), (25420, 51532), (25766, 50840), (30721, 42640), (32240, 40631), (33046, 39640)]