31023720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:984

約数の個数: 192

約数和(自身を含む): 124225920

約数和(自身を除く): 93202200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 947, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 1894, 2184, 2340, 2520, 2730, 2841, 3276, 3640, 3788, 4095, 4680, 4735, 5460, 5682, 6552, 6629, 7576, 8190, 8523, 9470, 10920, 11364, 12311, 13258, 14205, 16380, 17046, 18940, 19887, 22728, 24622, 26516, 28410, 32760, 33145, 34092, 36933, 37880, 39774, 42615, 49244, 53032, 56820, 59661, 61555, 66290, 68184, 73866, 79548, 85230, 86177, 98488, 99435, 110799, 113640, 119322, 123110, 132580, 147732, 159096, 170460, 172354, 184665, 198870, 221598, 238644, 246220, 258531, 265160, 295464, 298305, 340920, 344708, 369330, 397740, 430885, 443196, 477288, 492440, 517062, 553995, 596610, 689416, 738660, 775593, 795480, 861770, 886392, 1034124, 1107990, 1193220, 1292655, 1477320, 1551186, 1723540, 2068248, 2215980, 2386440, 2585310, 3102372, 3447080, 3877965, 4431960, 5170620, 6204744, 7755930, 10341240, 15511860, 31023720]

約数ペア:

[(1, 31023720), (2, 15511860), (3, 10341240), (4, 7755930), (5, 6204744), (6, 5170620), (7, 4431960), (8, 3877965), (9, 3447080), (10, 3102372), (12, 2585310), (13, 2386440), (14, 2215980), (15, 2068248), (18, 1723540), (20, 1551186), (21, 1477320), (24, 1292655), (26, 1193220), (28, 1107990), (30, 1034124), (35, 886392), (36, 861770), (39, 795480), (40, 775593), (42, 738660), (45, 689416), (52, 596610), (56, 553995), (60, 517062), (63, 492440), (65, 477288), (70, 443196), (72, 430885), (78, 397740), (84, 369330), (90, 344708), (91, 340920), (104, 298305), (105, 295464), (117, 265160), (120, 258531), (126, 246220), (130, 238644), (140, 221598), (156, 198870), (168, 184665), (180, 172354), (182, 170460), (195, 159096), (210, 147732), (234, 132580), (252, 123110), (260, 119322), (273, 113640), (280, 110799), (312, 99435), (315, 98488), (360, 86177), (364, 85230), (390, 79548), (420, 73866), (455, 68184), (468, 66290), (504, 61555), (520, 59661), (546, 56820), (585, 53032), (630, 49244), (728, 42615), (780, 39774), (819, 37880), (840, 36933), (910, 34092), (936, 33145), (947, 32760), (1092, 28410), (1170, 26516), (1260, 24622), (1365, 22728), (1560, 19887), (1638, 18940), (1820, 17046), (1894, 16380), (2184, 14205), (2340, 13258), (2520, 12311), (2730, 11364), (2841, 10920), (3276, 9470), (3640, 8523), (3788, 8190), (4095, 7576), (4680, 6629), (4735, 6552), (5460, 5682)]