61869180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 190179360

約数和(自身を除く): 128310180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 37, 58, 60, 62, 74, 87, 93, 111, 116, 124, 145, 148, 155, 174, 185, 186, 222, 290, 310, 348, 370, 372, 435, 444, 465, 555, 580, 620, 740, 870, 899, 930, 961, 1073, 1110, 1147, 1740, 1798, 1860, 1922, 2146, 2220, 2294, 2697, 2883, 3219, 3441, 3596, 3844, 4292, 4495, 4588, 4805, 5365, 5394, 5735, 5766, 6438, 6882, 8990, 9610, 10730, 10788, 11470, 11532, 12876, 13485, 13764, 14415, 16095, 17205, 17980, 19220, 21460, 22940, 26970, 27869, 28830, 32190, 33263, 34410, 35557, 53940, 55738, 57660, 64380, 66526, 68820, 71114, 83607, 99789, 106671, 111476, 133052, 139345, 142228, 166315, 167214, 177785, 199578, 213342, 278690, 332630, 334428, 355570, 399156, 418035, 426684, 498945, 533355, 557380, 665260, 711140, 836070, 997890, 1031153, 1066710, 1672140, 1995780, 2062306, 2133420, 3093459, 4124612, 5155765, 6186918, 10311530, 12373836, 15467295, 20623060, 30934590, 61869180]

約数ペア:

[(1, 61869180), (2, 30934590), (3, 20623060), (4, 15467295), (5, 12373836), (6, 10311530), (10, 6186918), (12, 5155765), (15, 4124612), (20, 3093459), (29, 2133420), (30, 2062306), (31, 1995780), (37, 1672140), (58, 1066710), (60, 1031153), (62, 997890), (74, 836070), (87, 711140), (93, 665260), (111, 557380), (116, 533355), (124, 498945), (145, 426684), (148, 418035), (155, 399156), (174, 355570), (185, 334428), (186, 332630), (222, 278690), (290, 213342), (310, 199578), (348, 177785), (370, 167214), (372, 166315), (435, 142228), (444, 139345), (465, 133052), (555, 111476), (580, 106671), (620, 99789), (740, 83607), (870, 71114), (899, 68820), (930, 66526), (961, 64380), (1073, 57660), (1110, 55738), (1147, 53940), (1740, 35557), (1798, 34410), (1860, 33263), (1922, 32190), (2146, 28830), (2220, 27869), (2294, 26970), (2697, 22940), (2883, 21460), (3219, 19220), (3441, 17980), (3596, 17205), (3844, 16095), (4292, 14415), (4495, 13764), (4588, 13485), (4805, 12876), (5365, 11532), (5394, 11470), (5735, 10788), (5766, 10730), (6438, 9610), (6882, 8990)]