31597020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 192

約数和(自身を含む): 121175040

約数和(自身を除く): 89578020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 643, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1286, 1365, 1404, 1638, 1755, 1820, 1890, 1929, 2340, 2457, 2572, 2730, 3215, 3276, 3510, 3780, 3858, 4095, 4501, 4914, 5460, 5787, 6430, 7020, 7716, 8190, 8359, 9002, 9645, 9828, 11574, 12285, 12860, 13503, 16380, 16718, 17361, 18004, 19290, 22505, 23148, 24570, 25077, 27006, 28935, 33436, 34722, 38580, 40509, 41795, 45010, 49140, 50154, 54012, 57870, 58513, 67515, 69444, 75231, 81018, 83590, 86805, 90020, 100308, 115740, 117026, 121527, 125385, 135030, 150462, 162036, 167180, 173610, 175539, 202545, 225693, 234052, 243054, 250770, 270060, 292565, 300924, 347220, 351078, 376155, 405090, 451386, 486108, 501540, 526617, 585130, 607635, 702156, 752310, 810180, 877695, 902772, 1053234, 1128465, 1170260, 1215270, 1504620, 1579851, 1755390, 2106468, 2256930, 2430540, 2633085, 3159702, 3510780, 4513860, 5266170, 6319404, 7899255, 10532340, 15798510, 31597020]

約数ペア:

[(1, 31597020), (2, 15798510), (3, 10532340), (4, 7899255), (5, 6319404), (6, 5266170), (7, 4513860), (9, 3510780), (10, 3159702), (12, 2633085), (13, 2430540), (14, 2256930), (15, 2106468), (18, 1755390), (20, 1579851), (21, 1504620), (26, 1215270), (27, 1170260), (28, 1128465), (30, 1053234), (35, 902772), (36, 877695), (39, 810180), (42, 752310), (45, 702156), (52, 607635), (54, 585130), (60, 526617), (63, 501540), (65, 486108), (70, 451386), (78, 405090), (84, 376155), (90, 351078), (91, 347220), (105, 300924), (108, 292565), (117, 270060), (126, 250770), (130, 243054), (135, 234052), (140, 225693), (156, 202545), (180, 175539), (182, 173610), (189, 167180), (195, 162036), (210, 150462), (234, 135030), (252, 125385), (260, 121527), (270, 117026), (273, 115740), (315, 100308), (351, 90020), (364, 86805), (378, 83590), (390, 81018), (420, 75231), (455, 69444), (468, 67515), (540, 58513), (546, 57870), (585, 54012), (630, 50154), (643, 49140), (702, 45010), (756, 41795), (780, 40509), (819, 38580), (910, 34722), (945, 33436), (1092, 28935), (1170, 27006), (1260, 25077), (1286, 24570), (1365, 23148), (1404, 22505), (1638, 19290), (1755, 18004), (1820, 17361), (1890, 16718), (1929, 16380), (2340, 13503), (2457, 12860), (2572, 12285), (2730, 11574), (3215, 9828), (3276, 9645), (3510, 9002), (3780, 8359), (3858, 8190), (4095, 7716), (4501, 7020), (4914, 6430), (5460, 5787)]