51813450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 144

約数和(自身を含む): 159036696

約数和(自身を除く): 107223246

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 30, 34, 39, 45, 50, 51, 65, 75, 78, 85, 90, 102, 117, 130, 150, 153, 170, 195, 221, 225, 234, 255, 306, 325, 390, 425, 442, 450, 510, 521, 585, 650, 663, 765, 850, 975, 1042, 1105, 1170, 1275, 1326, 1530, 1563, 1950, 1989, 2210, 2550, 2605, 2925, 3126, 3315, 3825, 3978, 4689, 5210, 5525, 5850, 6630, 6773, 7650, 7815, 8857, 9378, 9945, 11050, 13025, 13546, 15630, 16575, 17714, 19890, 20319, 23445, 26050, 26571, 33150, 33865, 39075, 40638, 44285, 46890, 49725, 53142, 60957, 67730, 78150, 79713, 88570, 99450, 101595, 115141, 117225, 121914, 132855, 159426, 169325, 203190, 221425, 230282, 234450, 265710, 304785, 338650, 345423, 398565, 442850, 507975, 575705, 609570, 664275, 690846, 797130, 1015950, 1036269, 1151410, 1328550, 1523925, 1727115, 1992825, 2072538, 2878525, 3047850, 3454230, 3985650, 5181345, 5757050, 8635575, 10362690, 17271150, 25906725, 51813450]

約数ペア:

[(1, 51813450), (2, 25906725), (3, 17271150), (5, 10362690), (6, 8635575), (9, 5757050), (10, 5181345), (13, 3985650), (15, 3454230), (17, 3047850), (18, 2878525), (25, 2072538), (26, 1992825), (30, 1727115), (34, 1523925), (39, 1328550), (45, 1151410), (50, 1036269), (51, 1015950), (65, 797130), (75, 690846), (78, 664275), (85, 609570), (90, 575705), (102, 507975), (117, 442850), (130, 398565), (150, 345423), (153, 338650), (170, 304785), (195, 265710), (221, 234450), (225, 230282), (234, 221425), (255, 203190), (306, 169325), (325, 159426), (390, 132855), (425, 121914), (442, 117225), (450, 115141), (510, 101595), (521, 99450), (585, 88570), (650, 79713), (663, 78150), (765, 67730), (850, 60957), (975, 53142), (1042, 49725), (1105, 46890), (1170, 44285), (1275, 40638), (1326, 39075), (1530, 33865), (1563, 33150), (1950, 26571), (1989, 26050), (2210, 23445), (2550, 20319), (2605, 19890), (2925, 17714), (3126, 16575), (3315, 15630), (3825, 13546), (3978, 13025), (4689, 11050), (5210, 9945), (5525, 9378), (5850, 8857), (6630, 7815), (6773, 7650)]