81755100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 216

約数和(自身を含む): 308730240

約数和(自身を除く): 226975140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 252, 266, 285, 300, 315, 342, 350, 380, 399, 420, 450, 475, 525, 532, 570, 630, 665, 683, 684, 700, 798, 855, 900, 950, 1050, 1140, 1197, 1260, 1330, 1366, 1425, 1575, 1596, 1710, 1900, 1995, 2049, 2100, 2394, 2660, 2732, 2850, 3150, 3325, 3415, 3420, 3990, 4098, 4275, 4781, 4788, 5700, 5985, 6147, 6300, 6650, 6830, 7980, 8196, 8550, 9562, 9975, 10245, 11970, 12294, 12977, 13300, 13660, 14343, 17075, 17100, 19124, 19950, 20490, 23905, 23940, 24588, 25954, 28686, 29925, 30735, 34150, 38931, 39900, 40980, 43029, 47810, 51225, 51908, 57372, 59850, 61470, 64885, 68300, 71715, 77862, 86058, 90839, 95620, 102450, 116793, 119525, 119700, 122940, 129770, 143430, 153675, 155724, 172116, 181678, 194655, 204900, 215145, 233586, 239050, 259540, 272517, 286860, 307350, 324425, 358575, 363356, 389310, 430290, 454195, 467172, 478100, 545034, 583965, 614700, 648850, 717150, 778620, 817551, 860580, 908390, 973275, 1075725, 1090068, 1167930, 1297700, 1362585, 1434300, 1635102, 1816780, 1946550, 2151450, 2270975, 2335860, 2725170, 2919825, 3270204, 3893100, 4087755, 4302900, 4541950, 5450340, 5839650, 6812925, 8175510, 9083900, 11679300, 13625850, 16351020, 20438775, 27251700, 40877550, 81755100]

約数ペア:

[(1, 81755100), (2, 40877550), (3, 27251700), (4, 20438775), (5, 16351020), (6, 13625850), (7, 11679300), (9, 9083900), (10, 8175510), (12, 6812925), (14, 5839650), (15, 5450340), (18, 4541950), (19, 4302900), (20, 4087755), (21, 3893100), (25, 3270204), (28, 2919825), (30, 2725170), (35, 2335860), (36, 2270975), (38, 2151450), (42, 1946550), (45, 1816780), (50, 1635102), (57, 1434300), (60, 1362585), (63, 1297700), (70, 1167930), (75, 1090068), (76, 1075725), (84, 973275), (90, 908390), (95, 860580), (100, 817551), (105, 778620), (114, 717150), (126, 648850), (133, 614700), (140, 583965), (150, 545034), (171, 478100), (175, 467172), (180, 454195), (190, 430290), (210, 389310), (225, 363356), (228, 358575), (252, 324425), (266, 307350), (285, 286860), (300, 272517), (315, 259540), (342, 239050), (350, 233586), (380, 215145), (399, 204900), (420, 194655), (450, 181678), (475, 172116), (525, 155724), (532, 153675), (570, 143430), (630, 129770), (665, 122940), (683, 119700), (684, 119525), (700, 116793), (798, 102450), (855, 95620), (900, 90839), (950, 86058), (1050, 77862), (1140, 71715), (1197, 68300), (1260, 64885), (1330, 61470), (1366, 59850), (1425, 57372), (1575, 51908), (1596, 51225), (1710, 47810), (1900, 43029), (1995, 40980), (2049, 39900), (2100, 38931), (2394, 34150), (2660, 30735), (2732, 29925), (2850, 28686), (3150, 25954), (3325, 24588), (3415, 23940), (3420, 23905), (3990, 20490), (4098, 19950), (4275, 19124), (4781, 17100), (4788, 17075), (5700, 14343), (5985, 13660), (6147, 13300), (6300, 12977), (6650, 12294), (6830, 11970), (7980, 10245), (8196, 9975), (8550, 9562)]