72872410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 150433920

約数和(自身を除く): 77561510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 163, 181, 190, 247, 326, 362, 494, 815, 905, 1235, 1630, 1810, 2119, 2353, 2470, 3097, 3439, 4238, 4706, 6194, 6878, 10595, 11765, 15485, 17195, 21190, 23530, 29503, 30970, 34390, 40261, 44707, 59006, 80522, 89414, 147515, 201305, 223535, 295030, 383539, 402610, 447070, 560557, 767078, 1121114, 1917695, 2802785, 3835390, 5605570, 7287241, 14574482, 36436205, 72872410]

約数ペア:

[(1, 72872410), (2, 36436205), (5, 14574482), (10, 7287241), (13, 5605570), (19, 3835390), (26, 2802785), (38, 1917695), (65, 1121114), (95, 767078), (130, 560557), (163, 447070), (181, 402610), (190, 383539), (247, 295030), (326, 223535), (362, 201305), (494, 147515), (815, 89414), (905, 80522), (1235, 59006), (1630, 44707), (1810, 40261), (2119, 34390), (2353, 30970), (2470, 29503), (3097, 23530), (3439, 21190), (4238, 17195), (4706, 15485), (6194, 11765), (6878, 10595)]