72040805865

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{321661}}^1$

素因数の和:321764

約数の個数: 80

約数和(自身を含む): 149457031680

約数和(自身を除く): 77416225815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 81, 105, 135, 189, 237, 315, 395, 405, 553, 567, 711, 945, 1185, 1659, 2133, 2765, 2835, 3555, 4977, 6399, 8295, 10665, 14931, 24885, 31995, 44793, 74655, 223965, 321661, 964983, 1608305, 2251627, 2894949, 4824915, 6754881, 8684847, 11258135, 14474745, 20264643, 25411219, 26054541, 33774405, 43424235, 60793929, 76233657, 101323215, 127056095, 130272705, 177878533, 182381787, 228700971, 303969645, 381168285, 533635599, 686102913, 889392665, 911908935, 1143504855, 1600906797, 2058308739, 2668177995, 3430514565, 4802720391, 8004533985, 10291543695, 14408161173, 24013601955, 72040805865]

約数ペア:

[(1, 72040805865), (3, 24013601955), (5, 14408161173), (7, 10291543695), (9, 8004533985), (15, 4802720391), (21, 3430514565), (27, 2668177995), (35, 2058308739), (45, 1600906797), (63, 1143504855), (79, 911908935), (81, 889392665), (105, 686102913), (135, 533635599), (189, 381168285), (237, 303969645), (315, 228700971), (395, 182381787), (405, 177878533), (553, 130272705), (567, 127056095), (711, 101323215), (945, 76233657), (1185, 60793929), (1659, 43424235), (2133, 33774405), (2765, 26054541), (2835, 25411219), (3555, 20264643), (4977, 14474745), (6399, 11258135), (8295, 8684847), (10665, 6754881), (14931, 4824915), (24885, 2894949), (31995, 2251627), (44793, 1608305), (74655, 964983), (223965, 321661)]