72720585

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 150961536

約数和(自身を除く): 78240951

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 113, 135, 189, 227, 315, 339, 405, 565, 567, 681, 791, 945, 1017, 1135, 1589, 1695, 2043, 2373, 2835, 3051, 3405, 3955, 4767, 5085, 6129, 7119, 7945, 9153, 10215, 11865, 14301, 15255, 18387, 21357, 23835, 25651, 30645, 35595, 42903, 45765, 64071, 71505, 76953, 91935, 106785, 128255, 128709, 179557, 214515, 230859, 320355, 384765, 538671, 643545, 692577, 897785, 1154295, 1616013, 2077731, 2693355, 3462885, 4848039, 8080065, 10388655, 14544117, 24240195, 72720585]

約数ペア:

[(1, 72720585), (3, 24240195), (5, 14544117), (7, 10388655), (9, 8080065), (15, 4848039), (21, 3462885), (27, 2693355), (35, 2077731), (45, 1616013), (63, 1154295), (81, 897785), (105, 692577), (113, 643545), (135, 538671), (189, 384765), (227, 320355), (315, 230859), (339, 214515), (405, 179557), (565, 128709), (567, 128255), (681, 106785), (791, 91935), (945, 76953), (1017, 71505), (1135, 64071), (1589, 45765), (1695, 42903), (2043, 35595), (2373, 30645), (2835, 25651), (3051, 23835), (3405, 21357), (3955, 18387), (4767, 15255), (5085, 14301), (6129, 11865), (7119, 10215), (7945, 9153)]