1971048240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1487}}^1$

素因数の和:1776

約数の個数: 240

約数和(自身を含む): 7598942208

約数和(自身を除く): 5627893968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 263, 280, 315, 336, 360, 420, 504, 526, 560, 630, 720, 789, 840, 1008, 1052, 1260, 1315, 1487, 1578, 1680, 1841, 2104, 2367, 2520, 2630, 2974, 3156, 3682, 3945, 4208, 4461, 4734, 5040, 5260, 5523, 5948, 6312, 7364, 7435, 7890, 8922, 9205, 9468, 10409, 10520, 11046, 11835, 11896, 12624, 13383, 14728, 14870, 15780, 16569, 17844, 18410, 18936, 20818, 21040, 22092, 22305, 23670, 23792, 26766, 27615, 29456, 29740, 31227, 31560, 33138, 35688, 36820, 37872, 41636, 44184, 44610, 47340, 52045, 53532, 55230, 59480, 62454, 63120, 66276, 66915, 71376, 73640, 82845, 83272, 88368, 89220, 93681, 94680, 104090, 107064, 110460, 118960, 124908, 132552, 133830, 147280, 156135, 165690, 166544, 178440, 187362, 189360, 208180, 214128, 220920, 249816, 265104, 267660, 312270, 331380, 356880, 374724, 391081, 416360, 441840, 468405, 499632, 535320, 624540, 662760, 749448, 782162, 832720, 936810, 1070640, 1173243, 1249080, 1325520, 1498896, 1564324, 1873620, 1955405, 2346486, 2498160, 2737567, 3128648, 3519729, 3747240, 3910810, 4692972, 5475134, 5866215, 6257296, 7039458, 7494480, 7821620, 8212701, 9385944, 10950268, 11732430, 13687835, 14078916, 15643240, 16425402, 17598645, 18771888, 21900536, 23464860, 24638103, 27375670, 28157832, 31286480, 32850804, 35197290, 41063505, 43801072, 46929720, 49276206, 54751340, 56315664, 65701608, 70394580, 82127010, 93859440, 98552412, 109502680, 123190515, 131403216, 140789160, 164254020, 197104824, 219005360, 246381030, 281578320, 328508040, 394209648, 492762060, 657016080, 985524120, 1971048240]

約数ペア:

[(1, 1971048240), (2, 985524120), (3, 657016080), (4, 492762060), (5, 394209648), (6, 328508040), (7, 281578320), (8, 246381030), (9, 219005360), (10, 197104824), (12, 164254020), (14, 140789160), (15, 131403216), (16, 123190515), (18, 109502680), (20, 98552412), (21, 93859440), (24, 82127010), (28, 70394580), (30, 65701608), (35, 56315664), (36, 54751340), (40, 49276206), (42, 46929720), (45, 43801072), (48, 41063505), (56, 35197290), (60, 32850804), (63, 31286480), (70, 28157832), (72, 27375670), (80, 24638103), (84, 23464860), (90, 21900536), (105, 18771888), (112, 17598645), (120, 16425402), (126, 15643240), (140, 14078916), (144, 13687835), (168, 11732430), (180, 10950268), (210, 9385944), (240, 8212701), (252, 7821620), (263, 7494480), (280, 7039458), (315, 6257296), (336, 5866215), (360, 5475134), (420, 4692972), (504, 3910810), (526, 3747240), (560, 3519729), (630, 3128648), (720, 2737567), (789, 2498160), (840, 2346486), (1008, 1955405), (1052, 1873620), (1260, 1564324), (1315, 1498896), (1487, 1325520), (1578, 1249080), (1680, 1173243), (1841, 1070640), (2104, 936810), (2367, 832720), (2520, 782162), (2630, 749448), (2974, 662760), (3156, 624540), (3682, 535320), (3945, 499632), (4208, 468405), (4461, 441840), (4734, 416360), (5040, 391081), (5260, 374724), (5523, 356880), (5948, 331380), (6312, 312270), (7364, 267660), (7435, 265104), (7890, 249816), (8922, 220920), (9205, 214128), (9468, 208180), (10409, 189360), (10520, 187362), (11046, 178440), (11835, 166544), (11896, 165690), (12624, 156135), (13383, 147280), (14728, 133830), (14870, 132552), (15780, 124908), (16569, 118960), (17844, 110460), (18410, 107064), (18936, 104090), (20818, 94680), (21040, 93681), (22092, 89220), (22305, 88368), (23670, 83272), (23792, 82845), (26766, 73640), (27615, 71376), (29456, 66915), (29740, 66276), (31227, 63120), (31560, 62454), (33138, 59480), (35688, 55230), (36820, 53532), (37872, 52045), (41636, 47340), (44184, 44610)]