256924512

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:613

約数の個数: 144

約数和(自身を含む): 793538928

約数和(自身を除く): 536614416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 163, 208, 234, 288, 312, 326, 416, 421, 468, 489, 624, 652, 842, 936, 978, 1248, 1263, 1304, 1467, 1684, 1872, 1956, 2119, 2526, 2608, 2934, 3368, 3744, 3789, 3912, 4238, 5052, 5216, 5473, 5868, 6357, 6736, 7578, 7824, 8476, 10104, 10946, 11736, 12714, 13472, 15156, 15648, 16419, 16952, 19071, 20208, 21892, 23472, 25428, 30312, 32838, 33904, 38142, 40416, 43784, 46944, 49257, 50856, 60624, 65676, 67808, 68623, 76284, 87568, 98514, 101712, 121248, 131352, 137246, 152568, 175136, 197028, 203424, 205869, 262704, 274492, 305136, 394056, 411738, 525408, 548984, 610272, 617607, 788112, 823476, 892099, 1097968, 1235214, 1576224, 1646952, 1784198, 2195936, 2470428, 2676297, 3293904, 3568396, 4940856, 5352594, 6587808, 7136792, 8028891, 9881712, 10705188, 14273584, 16057782, 19763424, 21410376, 28547168, 32115564, 42820752, 64231128, 85641504, 128462256, 256924512]

約数ペア:

[(1, 256924512), (2, 128462256), (3, 85641504), (4, 64231128), (6, 42820752), (8, 32115564), (9, 28547168), (12, 21410376), (13, 19763424), (16, 16057782), (18, 14273584), (24, 10705188), (26, 9881712), (32, 8028891), (36, 7136792), (39, 6587808), (48, 5352594), (52, 4940856), (72, 3568396), (78, 3293904), (96, 2676297), (104, 2470428), (117, 2195936), (144, 1784198), (156, 1646952), (163, 1576224), (208, 1235214), (234, 1097968), (288, 892099), (312, 823476), (326, 788112), (416, 617607), (421, 610272), (468, 548984), (489, 525408), (624, 411738), (652, 394056), (842, 305136), (936, 274492), (978, 262704), (1248, 205869), (1263, 203424), (1304, 197028), (1467, 175136), (1684, 152568), (1872, 137246), (1956, 131352), (2119, 121248), (2526, 101712), (2608, 98514), (2934, 87568), (3368, 76284), (3744, 68623), (3789, 67808), (3912, 65676), (4238, 60624), (5052, 50856), (5216, 49257), (5473, 46944), (5868, 43784), (6357, 40416), (6736, 38142), (7578, 33904), (7824, 32838), (8476, 30312), (10104, 25428), (10946, 23472), (11736, 21892), (12714, 20208), (13472, 19071), (15156, 16952), (15648, 16419)]