172857240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1775

約数の個数: 160

約数和(自身を含む): 600082560

約数和(自身を除く): 427225320

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, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 1080, 1116, 1240, 1395, 1620, 1674, 1721, 1860, 2232, 2511, 2790, 3240, 3348, 3442, 3720, 4185, 5022, 5163, 5580, 6696, 6884, 8370, 8605, 10044, 10326, 11160, 12555, 13768, 15489, 16740, 17210, 20088, 20652, 25110, 25815, 30978, 33480, 34420, 41304, 46467, 50220, 51630, 53351, 61956, 68840, 77445, 92934, 100440, 103260, 106702, 123912, 139401, 154890, 160053, 185868, 206520, 213404, 232335, 266755, 278802, 309780, 320106, 371736, 426808, 464670, 480159, 533510, 557604, 619560, 640212, 697005, 800265, 929340, 960318, 1067020, 1115208, 1280424, 1394010, 1440477, 1600530, 1858680, 1920636, 2134040, 2400795, 2788020, 2880954, 3201060, 3841272, 4321431, 4801590, 5576040, 5761908, 6402120, 7202385, 8642862, 9603180, 11523816, 14404770, 17285724, 19206360, 21607155, 28809540, 34571448, 43214310, 57619080, 86428620, 172857240]

約数ペア:

[(1, 172857240), (2, 86428620), (3, 57619080), (4, 43214310), (5, 34571448), (6, 28809540), (8, 21607155), (9, 19206360), (10, 17285724), (12, 14404770), (15, 11523816), (18, 9603180), (20, 8642862), (24, 7202385), (27, 6402120), (30, 5761908), (31, 5576040), (36, 4801590), (40, 4321431), (45, 3841272), (54, 3201060), (60, 2880954), (62, 2788020), (72, 2400795), (81, 2134040), (90, 1920636), (93, 1858680), (108, 1600530), (120, 1440477), (124, 1394010), (135, 1280424), (155, 1115208), (162, 1067020), (180, 960318), (186, 929340), (216, 800265), (248, 697005), (270, 640212), (279, 619560), (310, 557604), (324, 533510), (360, 480159), (372, 464670), (405, 426808), (465, 371736), (540, 320106), (558, 309780), (620, 278802), (648, 266755), (744, 232335), (810, 213404), (837, 206520), (930, 185868), (1080, 160053), (1116, 154890), (1240, 139401), (1395, 123912), (1620, 106702), (1674, 103260), (1721, 100440), (1860, 92934), (2232, 77445), (2511, 68840), (2790, 61956), (3240, 53351), (3348, 51630), (3442, 50220), (3720, 46467), (4185, 41304), (5022, 34420), (5163, 33480), (5580, 30978), (6696, 25815), (6884, 25110), (8370, 20652), (8605, 20088), (10044, 17210), (10326, 16740), (11160, 15489), (12555, 13768)]