1640594865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 3371139072

約数和(自身を除く): 1730544207

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 137, 155, 195, 217, 273, 283, 403, 411, 455, 465, 651, 685, 849, 959, 1085, 1209, 1365, 1415, 1781, 1981, 2015, 2055, 2821, 2877, 3255, 3679, 4245, 4247, 4795, 5343, 5943, 6045, 8463, 8773, 8905, 9905, 11037, 12467, 12741, 14105, 14385, 18395, 21235, 25753, 26319, 26715, 29715, 29729, 37401, 38771, 42315, 43865, 55185, 55211, 61411, 62335, 63705, 77259, 89187, 114049, 116313, 128765, 131595, 148645, 165633, 184233, 187005, 193855, 271397, 276055, 307055, 342147, 386295, 386477, 445935, 504023, 570245, 581565, 798343, 814191, 828165, 921165, 1159431, 1201901, 1356985, 1512069, 1710735, 1932385, 2395029, 2520115, 3528161, 3605703, 3991715, 4070955, 5797155, 6009505, 7560345, 8413307, 10584483, 11975145, 15624713, 17640805, 18028515, 25239921, 42066535, 46874139, 52922415, 78123565, 109372991, 126199605, 234370695, 328118973, 546864955, 1640594865]

約数ペア:

[(1, 1640594865), (3, 546864955), (5, 328118973), (7, 234370695), (13, 126199605), (15, 109372991), (21, 78123565), (31, 52922415), (35, 46874139), (39, 42066535), (65, 25239921), (91, 18028515), (93, 17640805), (105, 15624713), (137, 11975145), (155, 10584483), (195, 8413307), (217, 7560345), (273, 6009505), (283, 5797155), (403, 4070955), (411, 3991715), (455, 3605703), (465, 3528161), (651, 2520115), (685, 2395029), (849, 1932385), (959, 1710735), (1085, 1512069), (1209, 1356985), (1365, 1201901), (1415, 1159431), (1781, 921165), (1981, 828165), (2015, 814191), (2055, 798343), (2821, 581565), (2877, 570245), (3255, 504023), (3679, 445935), (4245, 386477), (4247, 386295), (4795, 342147), (5343, 307055), (5943, 276055), (6045, 271397), (8463, 193855), (8773, 187005), (8905, 184233), (9905, 165633), (11037, 148645), (12467, 131595), (12741, 128765), (14105, 116313), (14385, 114049), (18395, 89187), (21235, 77259), (25753, 63705), (26319, 62335), (26715, 61411), (29715, 55211), (29729, 55185), (37401, 43865), (38771, 42315)]