72805215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 137871360

約数和(自身を除く): 65066145

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 79, 105, 131, 201, 237, 335, 393, 395, 469, 553, 655, 917, 1005, 1185, 1407, 1659, 1965, 2345, 2751, 2765, 4585, 5293, 7035, 8295, 8777, 10349, 13755, 15879, 26331, 26465, 31047, 37051, 43885, 51745, 61439, 72443, 79395, 111153, 131655, 155235, 184317, 185255, 217329, 307195, 362215, 555765, 693383, 921585, 1086645, 2080149, 3466915, 4853681, 10400745, 14561043, 24268405, 72805215]

約数ペア:

[(1, 72805215), (3, 24268405), (5, 14561043), (7, 10400745), (15, 4853681), (21, 3466915), (35, 2080149), (67, 1086645), (79, 921585), (105, 693383), (131, 555765), (201, 362215), (237, 307195), (335, 217329), (393, 185255), (395, 184317), (469, 155235), (553, 131655), (655, 111153), (917, 79395), (1005, 72443), (1185, 61439), (1407, 51745), (1659, 43885), (1965, 37051), (2345, 31047), (2751, 26465), (2765, 26331), (4585, 15879), (5293, 13755), (7035, 10349), (8295, 8777)]