921670920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27529}}^1$

素因数の和:27580

約数の個数: 128

約数和(自身を含む): 3171456000

約数和(自身を除く): 2249785080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 27529, 33480, 55058, 82587, 110116, 137645, 165174, 220232, 247761, 275290, 330348, 412935, 495522, 550580, 660696, 743283, 825870, 853399, 991044, 1101160, 1238805, 1486566, 1651740, 1706798, 1982088, 2477610, 2560197, 2973132, 3303480, 3413596, 3716415, 4266995, 4955220, 5120394, 5946264, 6827192, 7432830, 7680591, 8533990, 9910440, 10240788, 12800985, 14865660, 15361182, 17067980, 20481576, 23041773, 25601970, 29731320, 30722364, 34135960, 38402955, 46083546, 51203940, 61444728, 76805910, 92167092, 102407880, 115208865, 153611820, 184334184, 230417730, 307223640, 460835460, 921670920]

約数ペア:

[(1, 921670920), (2, 460835460), (3, 307223640), (4, 230417730), (5, 184334184), (6, 153611820), (8, 115208865), (9, 102407880), (10, 92167092), (12, 76805910), (15, 61444728), (18, 51203940), (20, 46083546), (24, 38402955), (27, 34135960), (30, 30722364), (31, 29731320), (36, 25601970), (40, 23041773), (45, 20481576), (54, 17067980), (60, 15361182), (62, 14865660), (72, 12800985), (90, 10240788), (93, 9910440), (108, 8533990), (120, 7680591), (124, 7432830), (135, 6827192), (155, 5946264), (180, 5120394), (186, 4955220), (216, 4266995), (248, 3716415), (270, 3413596), (279, 3303480), (310, 2973132), (360, 2560197), (372, 2477610), (465, 1982088), (540, 1706798), (558, 1651740), (620, 1486566), (744, 1238805), (837, 1101160), (930, 991044), (1080, 853399), (1116, 825870), (1240, 743283), (1395, 660696), (1674, 550580), (1860, 495522), (2232, 412935), (2790, 330348), (3348, 275290), (3720, 247761), (4185, 220232), (5580, 165174), (6696, 137645), (8370, 110116), (11160, 82587), (16740, 55058), (27529, 33480)]