81911736

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6653}}^1$

素因数の和:6690

約数の個数: 80

約数和(自身を含む): 241540200

約数和(自身を除く): 159628464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 2052, 3078, 4104, 6156, 6653, 12312, 13306, 19959, 26612, 39918, 53224, 59877, 79836, 119754, 126407, 159672, 179631, 239508, 252814, 359262, 379221, 479016, 505628, 538893, 718524, 758442, 1011256, 1077786, 1137663, 1437048, 1516884, 2155572, 2275326, 3033768, 3412989, 4311144, 4550652, 6825978, 9101304, 10238967, 13651956, 20477934, 27303912, 40955868, 81911736]

約数ペア:

[(1, 81911736), (2, 40955868), (3, 27303912), (4, 20477934), (6, 13651956), (8, 10238967), (9, 9101304), (12, 6825978), (18, 4550652), (19, 4311144), (24, 3412989), (27, 3033768), (36, 2275326), (38, 2155572), (54, 1516884), (57, 1437048), (72, 1137663), (76, 1077786), (81, 1011256), (108, 758442), (114, 718524), (152, 538893), (162, 505628), (171, 479016), (216, 379221), (228, 359262), (324, 252814), (342, 239508), (456, 179631), (513, 159672), (648, 126407), (684, 119754), (1026, 79836), (1368, 59877), (1539, 53224), (2052, 39918), (3078, 26612), (4104, 19959), (6156, 13306), (6653, 12312)]