61847720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 162518400

約数和(自身を除く): 100670680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 37, 40, 44, 55, 58, 74, 88, 110, 116, 131, 145, 148, 185, 220, 232, 262, 290, 296, 319, 370, 407, 440, 524, 580, 638, 655, 740, 814, 1048, 1073, 1160, 1276, 1310, 1441, 1480, 1595, 1628, 2035, 2146, 2552, 2620, 2882, 3190, 3256, 3799, 4070, 4292, 4847, 5240, 5365, 5764, 6380, 7205, 7598, 8140, 8584, 9694, 10730, 11528, 11803, 12760, 14410, 15196, 16280, 18995, 19388, 21460, 23606, 24235, 28820, 30392, 37990, 38776, 41789, 42920, 47212, 48470, 53317, 57640, 59015, 75980, 83578, 94424, 96940, 106634, 118030, 140563, 151960, 167156, 193880, 208945, 213268, 236060, 266585, 281126, 334312, 417890, 426536, 472120, 533170, 562252, 702815, 835780, 1066340, 1124504, 1405630, 1546193, 1671560, 2132680, 2811260, 3092386, 5622520, 6184772, 7730965, 12369544, 15461930, 30923860, 61847720]

約数ペア:

[(1, 61847720), (2, 30923860), (4, 15461930), (5, 12369544), (8, 7730965), (10, 6184772), (11, 5622520), (20, 3092386), (22, 2811260), (29, 2132680), (37, 1671560), (40, 1546193), (44, 1405630), (55, 1124504), (58, 1066340), (74, 835780), (88, 702815), (110, 562252), (116, 533170), (131, 472120), (145, 426536), (148, 417890), (185, 334312), (220, 281126), (232, 266585), (262, 236060), (290, 213268), (296, 208945), (319, 193880), (370, 167156), (407, 151960), (440, 140563), (524, 118030), (580, 106634), (638, 96940), (655, 94424), (740, 83578), (814, 75980), (1048, 59015), (1073, 57640), (1160, 53317), (1276, 48470), (1310, 47212), (1441, 42920), (1480, 41789), (1595, 38776), (1628, 37990), (2035, 30392), (2146, 28820), (2552, 24235), (2620, 23606), (2882, 21460), (3190, 19388), (3256, 18995), (3799, 16280), (4070, 15196), (4292, 14410), (4847, 12760), (5240, 11803), (5365, 11528), (5764, 10730), (6380, 9694), (7205, 8584), (7598, 8140)]