1520221951625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{1877}}^1$

素因数の和:2188

約数の個数: 128

約数和(自身を含む): 2135300783616

約数和(自身を除く): 615078831991

約数列:

[1, 5, 13, 25, 43, 65, 67, 125, 173, 215, 325, 335, 559, 865, 871, 1075, 1625, 1675, 1877, 2249, 2795, 2881, 4325, 4355, 5375, 7439, 8375, 9385, 11245, 11591, 13975, 14405, 21625, 21775, 24401, 37195, 37453, 46925, 56225, 57955, 69875, 72025, 80711, 96707, 108875, 122005, 125759, 150683, 185975, 187265, 234625, 281125, 289775, 324721, 360125, 403555, 483535, 498413, 610025, 628795, 753415, 929875, 936325, 1049243, 1448875, 1623605, 1634867, 2017775, 2417675, 2492065, 3050125, 3143975, 3767075, 4221373, 4681625, 5246215, 5407637, 6479369, 8118025, 8174335, 10088875, 12088375, 12460325, 13963003, 15719875, 18835375, 21106865, 21756307, 26231075, 27038185, 32396845, 40590125, 40871675, 62301625, 69815015, 70299281, 105534325, 108781535, 131155375, 135190925, 161984225, 181519039, 204358375, 282831991, 349075075, 351496405, 527671625, 543907675, 675954625, 809921125, 907595195, 935521201, 1414159955, 1745375375, 1757482025, 2719538375, 4537975975, 4677606005, 7070799775, 8787410125, 12161775613, 22689879875, 23388030025, 35353998875, 60808878065, 116940150125, 304044390325, 1520221951625]

約数ペア:

[(1, 1520221951625), (5, 304044390325), (13, 116940150125), (25, 60808878065), (43, 35353998875), (65, 23388030025), (67, 22689879875), (125, 12161775613), (173, 8787410125), (215, 7070799775), (325, 4677606005), (335, 4537975975), (559, 2719538375), (865, 1757482025), (871, 1745375375), (1075, 1414159955), (1625, 935521201), (1675, 907595195), (1877, 809921125), (2249, 675954625), (2795, 543907675), (2881, 527671625), (4325, 351496405), (4355, 349075075), (5375, 282831991), (7439, 204358375), (8375, 181519039), (9385, 161984225), (11245, 135190925), (11591, 131155375), (13975, 108781535), (14405, 105534325), (21625, 70299281), (21775, 69815015), (24401, 62301625), (37195, 40871675), (37453, 40590125), (46925, 32396845), (56225, 27038185), (57955, 26231075), (69875, 21756307), (72025, 21106865), (80711, 18835375), (96707, 15719875), (108875, 13963003), (122005, 12460325), (125759, 12088375), (150683, 10088875), (185975, 8174335), (187265, 8118025), (234625, 6479369), (281125, 5407637), (289775, 5246215), (324721, 4681625), (360125, 4221373), (403555, 3767075), (483535, 3143975), (498413, 3050125), (610025, 2492065), (628795, 2417675), (753415, 2017775), (929875, 1634867), (936325, 1623605), (1049243, 1448875)]