1681234890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 4365508608

約数和(自身を除く): 2684273718

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 101, 102, 127, 170, 202, 254, 255, 257, 303, 381, 505, 510, 514, 606, 635, 762, 771, 1010, 1270, 1285, 1515, 1542, 1717, 1905, 2159, 2570, 3030, 3434, 3810, 3855, 4318, 4369, 5151, 6477, 7710, 8585, 8738, 10302, 10795, 12827, 12954, 13107, 17170, 21590, 21845, 25654, 25755, 25957, 26214, 32385, 32639, 38481, 43690, 51510, 51914, 64135, 64770, 65278, 65535, 76962, 77871, 97917, 128270, 129785, 131070, 155742, 163195, 192405, 195834, 218059, 259570, 326390, 384810, 389355, 436118, 441269, 489585, 554863, 654177, 778710, 882538, 979170, 1090295, 1109726, 1308354, 1323807, 1664589, 2180590, 2206345, 2647614, 2774315, 3270885, 3296539, 3329178, 4412690, 5548630, 6541770, 6593078, 6619035, 8322945, 9889617, 13238070, 16482695, 16645890, 19779234, 32965390, 49448085, 56041163, 98896170, 112082326, 168123489, 280205815, 336246978, 560411630, 840617445, 1681234890]

約数ペア:

[(1, 1681234890), (2, 840617445), (3, 560411630), (5, 336246978), (6, 280205815), (10, 168123489), (15, 112082326), (17, 98896170), (30, 56041163), (34, 49448085), (51, 32965390), (85, 19779234), (101, 16645890), (102, 16482695), (127, 13238070), (170, 9889617), (202, 8322945), (254, 6619035), (255, 6593078), (257, 6541770), (303, 5548630), (381, 4412690), (505, 3329178), (510, 3296539), (514, 3270885), (606, 2774315), (635, 2647614), (762, 2206345), (771, 2180590), (1010, 1664589), (1270, 1323807), (1285, 1308354), (1515, 1109726), (1542, 1090295), (1717, 979170), (1905, 882538), (2159, 778710), (2570, 654177), (3030, 554863), (3434, 489585), (3810, 441269), (3855, 436118), (4318, 389355), (4369, 384810), (5151, 326390), (6477, 259570), (7710, 218059), (8585, 195834), (8738, 192405), (10302, 163195), (10795, 155742), (12827, 131070), (12954, 129785), (13107, 128270), (17170, 97917), (21590, 77871), (21845, 76962), (25654, 65535), (25755, 65278), (25957, 64770), (26214, 64135), (32385, 51914), (32639, 51510), (38481, 43690)]