30181500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 100507680

約数和(自身を除く): 70326180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 353, 375, 380, 450, 475, 500, 570, 684, 706, 750, 855, 900, 950, 1059, 1125, 1140, 1412, 1425, 1500, 1710, 1765, 1900, 2118, 2250, 2375, 2850, 3177, 3420, 3530, 4236, 4275, 4500, 4750, 5295, 5700, 6354, 6707, 7060, 7125, 8550, 8825, 9500, 10590, 12708, 13414, 14250, 15885, 17100, 17650, 20121, 21180, 21375, 26475, 26828, 28500, 31770, 33535, 35300, 40242, 42750, 44125, 52950, 60363, 63540, 67070, 79425, 80484, 85500, 88250, 100605, 105900, 120726, 132375, 134140, 158850, 167675, 176500, 201210, 241452, 264750, 301815, 317700, 335350, 397125, 402420, 503025, 529500, 603630, 670700, 794250, 838375, 1006050, 1207260, 1509075, 1588500, 1676750, 2012100, 2515125, 3018150, 3353500, 5030250, 6036300, 7545375, 10060500, 15090750, 30181500]

約数ペア:

[(1, 30181500), (2, 15090750), (3, 10060500), (4, 7545375), (5, 6036300), (6, 5030250), (9, 3353500), (10, 3018150), (12, 2515125), (15, 2012100), (18, 1676750), (19, 1588500), (20, 1509075), (25, 1207260), (30, 1006050), (36, 838375), (38, 794250), (45, 670700), (50, 603630), (57, 529500), (60, 503025), (75, 402420), (76, 397125), (90, 335350), (95, 317700), (100, 301815), (114, 264750), (125, 241452), (150, 201210), (171, 176500), (180, 167675), (190, 158850), (225, 134140), (228, 132375), (250, 120726), (285, 105900), (300, 100605), (342, 88250), (353, 85500), (375, 80484), (380, 79425), (450, 67070), (475, 63540), (500, 60363), (570, 52950), (684, 44125), (706, 42750), (750, 40242), (855, 35300), (900, 33535), (950, 31770), (1059, 28500), (1125, 26828), (1140, 26475), (1412, 21375), (1425, 21180), (1500, 20121), (1710, 17650), (1765, 17100), (1900, 15885), (2118, 14250), (2250, 13414), (2375, 12708), (2850, 10590), (3177, 9500), (3420, 8825), (3530, 8550), (4236, 7125), (4275, 7060), (4500, 6707), (4750, 6354), (5295, 5700)]