71680518

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 131532282

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 29, 39, 42, 54, 58, 63, 78, 87, 91, 117, 126, 174, 182, 189, 203, 234, 261, 273, 351, 377, 378, 406, 503, 522, 546, 609, 702, 754, 783, 819, 1006, 1131, 1218, 1509, 1566, 1638, 1827, 2262, 2457, 2639, 3018, 3393, 3521, 3654, 4527, 4914, 5278, 5481, 6539, 6786, 7042, 7917, 9054, 10179, 10563, 10962, 13078, 13581, 14587, 15834, 19617, 20358, 21126, 23751, 27162, 29174, 31689, 39234, 43761, 45773, 47502, 58851, 63378, 71253, 87522, 91546, 95067, 102109, 117702, 131283, 137319, 142506, 176553, 189631, 190134, 204218, 262566, 274638, 306327, 353106, 379262, 393849, 411957, 568893, 612654, 787698, 823914, 918981, 1137786, 1235871, 1327417, 1706679, 1837962, 2471742, 2654834, 2756943, 3413358, 3982251, 5120037, 5513886, 7964502, 10240074, 11946753, 23893506, 35840259, 71680518]

約数ペア:

[(1, 71680518), (2, 35840259), (3, 23893506), (6, 11946753), (7, 10240074), (9, 7964502), (13, 5513886), (14, 5120037), (18, 3982251), (21, 3413358), (26, 2756943), (27, 2654834), (29, 2471742), (39, 1837962), (42, 1706679), (54, 1327417), (58, 1235871), (63, 1137786), (78, 918981), (87, 823914), (91, 787698), (117, 612654), (126, 568893), (174, 411957), (182, 393849), (189, 379262), (203, 353106), (234, 306327), (261, 274638), (273, 262566), (351, 204218), (377, 190134), (378, 189631), (406, 176553), (503, 142506), (522, 137319), (546, 131283), (609, 117702), (702, 102109), (754, 95067), (783, 91546), (819, 87522), (1006, 71253), (1131, 63378), (1218, 58851), (1509, 47502), (1566, 45773), (1638, 43761), (1827, 39234), (2262, 31689), (2457, 29174), (2639, 27162), (3018, 23751), (3393, 21126), (3521, 20358), (3654, 19617), (4527, 15834), (4914, 14587), (5278, 13581), (5481, 13078), (6539, 10962), (6786, 10563), (7042, 10179), (7917, 9054)]