77880458920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{10639}}^1$

素因数の和:10919

約数の個数: 128

約数和(自身を含む): 194155315200

約数和(自身を除く): 116274856280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 131, 220, 254, 262, 440, 508, 524, 635, 655, 1016, 1048, 1270, 1310, 1397, 1441, 2540, 2620, 2794, 2882, 5080, 5240, 5588, 5764, 6985, 7205, 10639, 11176, 11528, 13970, 14410, 16637, 21278, 27940, 28820, 33274, 42556, 53195, 55880, 57640, 66548, 83185, 85112, 106390, 117029, 133096, 166370, 183007, 212780, 234058, 332740, 366014, 425560, 468116, 585145, 665480, 732028, 915035, 936232, 1170290, 1351153, 1393709, 1464056, 1830070, 2340580, 2702306, 2787418, 3660140, 4681160, 5404612, 5574836, 6755765, 6968545, 7320280, 10809224, 11149672, 13511530, 13937090, 14862683, 15330799, 27023060, 27874180, 29725366, 30661598, 54046120, 55748360, 59450732, 61323196, 74313415, 76653995, 118901464, 122646392, 148626830, 153307990, 177001043, 297253660, 306615980, 354002086, 594507320, 613231960, 708004172, 885005215, 1416008344, 1770010430, 1947011473, 3540020860, 3894022946, 7080041720, 7788045892, 9735057365, 15576091784, 19470114730, 38940229460, 77880458920]

約数ペア:

[(1, 77880458920), (2, 38940229460), (4, 19470114730), (5, 15576091784), (8, 9735057365), (10, 7788045892), (11, 7080041720), (20, 3894022946), (22, 3540020860), (40, 1947011473), (44, 1770010430), (55, 1416008344), (88, 885005215), (110, 708004172), (127, 613231960), (131, 594507320), (220, 354002086), (254, 306615980), (262, 297253660), (440, 177001043), (508, 153307990), (524, 148626830), (635, 122646392), (655, 118901464), (1016, 76653995), (1048, 74313415), (1270, 61323196), (1310, 59450732), (1397, 55748360), (1441, 54046120), (2540, 30661598), (2620, 29725366), (2794, 27874180), (2882, 27023060), (5080, 15330799), (5240, 14862683), (5588, 13937090), (5764, 13511530), (6985, 11149672), (7205, 10809224), (10639, 7320280), (11176, 6968545), (11528, 6755765), (13970, 5574836), (14410, 5404612), (16637, 4681160), (21278, 3660140), (27940, 2787418), (28820, 2702306), (33274, 2340580), (42556, 1830070), (53195, 1464056), (55880, 1393709), (57640, 1351153), (66548, 1170290), (83185, 936232), (85112, 915035), (106390, 732028), (117029, 665480), (133096, 585145), (166370, 468116), (183007, 425560), (212780, 366014), (234058, 332740)]