260876373160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{68099}}^1$

素因数の和:68315

約数の個数: 128

約数和(自身を含む): 648693360000

約数和(自身を除く): 387816986840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 139, 212, 260, 265, 278, 424, 520, 530, 556, 689, 695, 1060, 1112, 1378, 1390, 1807, 2120, 2756, 2780, 3445, 3614, 5512, 5560, 6890, 7228, 7367, 9035, 13780, 14456, 14734, 18070, 27560, 29468, 36140, 36835, 58936, 68099, 72280, 73670, 95771, 136198, 147340, 191542, 272396, 294680, 340495, 383084, 478855, 544792, 680990, 766168, 885287, 957710, 1361980, 1770574, 1915420, 2723960, 3541148, 3609247, 3830840, 4426435, 7082296, 7218494, 8852870, 9465761, 14436988, 17705740, 18046235, 18931522, 28873976, 35411480, 36092470, 37863044, 46920211, 47328805, 72184940, 75726088, 93840422, 94657610, 123054893, 144369880, 187680844, 189315220, 234601055, 246109786, 375361688, 378630440, 469202110, 492219572, 501685333, 615274465, 938404220, 984439144, 1003370666, 1230548930, 1876808440, 2006741332, 2461097860, 2508426665, 4013482664, 4922195720, 5016853330, 6521909329, 10033706660, 13043818658, 20067413320, 26087637316, 32609546645, 52175274632, 65219093290, 130438186580, 260876373160]

約数ペア:

[(1, 260876373160), (2, 130438186580), (4, 65219093290), (5, 52175274632), (8, 32609546645), (10, 26087637316), (13, 20067413320), (20, 13043818658), (26, 10033706660), (40, 6521909329), (52, 5016853330), (53, 4922195720), (65, 4013482664), (104, 2508426665), (106, 2461097860), (130, 2006741332), (139, 1876808440), (212, 1230548930), (260, 1003370666), (265, 984439144), (278, 938404220), (424, 615274465), (520, 501685333), (530, 492219572), (556, 469202110), (689, 378630440), (695, 375361688), (1060, 246109786), (1112, 234601055), (1378, 189315220), (1390, 187680844), (1807, 144369880), (2120, 123054893), (2756, 94657610), (2780, 93840422), (3445, 75726088), (3614, 72184940), (5512, 47328805), (5560, 46920211), (6890, 37863044), (7228, 36092470), (7367, 35411480), (9035, 28873976), (13780, 18931522), (14456, 18046235), (14734, 17705740), (18070, 14436988), (27560, 9465761), (29468, 8852870), (36140, 7218494), (36835, 7082296), (58936, 4426435), (68099, 3830840), (72280, 3609247), (73670, 3541148), (95771, 2723960), (136198, 1915420), (147340, 1770574), (191542, 1361980), (272396, 957710), (294680, 885287), (340495, 766168), (383084, 680990), (478855, 544792)]