72402828075

素因数分解:

$3^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{177883}}^1$

素因数の和:177975

約数の個数: 72

約数和(自身を含む): 136492527808

約数和(自身を除く): 64089699733

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 81, 135, 201, 225, 243, 335, 405, 603, 675, 1005, 1215, 1675, 1809, 2025, 3015, 5025, 5427, 6075, 9045, 15075, 16281, 27135, 45225, 81405, 135675, 177883, 407025, 533649, 889415, 1600947, 2668245, 4447075, 4802841, 8004735, 11918161, 13341225, 14408523, 24014205, 35754483, 40023675, 43225569, 59590805, 72042615, 107263449, 120071025, 178772415, 216127845, 297954025, 321790347, 360213075, 536317245, 893862075, 965371041, 1080639225, 1608951735, 2681586225, 2896113123, 4826855205, 8044758675, 14480565615, 24134276025, 72402828075]

約数ペア:

[(1, 72402828075), (3, 24134276025), (5, 14480565615), (9, 8044758675), (15, 4826855205), (25, 2896113123), (27, 2681586225), (45, 1608951735), (67, 1080639225), (75, 965371041), (81, 893862075), (135, 536317245), (201, 360213075), (225, 321790347), (243, 297954025), (335, 216127845), (405, 178772415), (603, 120071025), (675, 107263449), (1005, 72042615), (1215, 59590805), (1675, 43225569), (1809, 40023675), (2025, 35754483), (3015, 24014205), (5025, 14408523), (5427, 13341225), (6075, 11918161), (9045, 8004735), (15075, 4802841), (16281, 4447075), (27135, 2668245), (45225, 1600947), (81405, 889415), (135675, 533649), (177883, 407025)]