1210070120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139409}}^1$

素因数の和:139458

約数の個数: 64

約数和(自身を含む): 3212006400

約数和(自身を除く): 2001936280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 139409, 278818, 557636, 697045, 975863, 1115272, 1394090, 1951726, 2788180, 3903452, 4321679, 4879315, 5576360, 7806904, 8643358, 9758630, 17286716, 19517260, 21608395, 30251753, 34573432, 39034520, 43216790, 60503506, 86433580, 121007012, 151258765, 172867160, 242014024, 302517530, 605035060, 1210070120]

約数ペア:

[(1, 1210070120), (2, 605035060), (4, 302517530), (5, 242014024), (7, 172867160), (8, 151258765), (10, 121007012), (14, 86433580), (20, 60503506), (28, 43216790), (31, 39034520), (35, 34573432), (40, 30251753), (56, 21608395), (62, 19517260), (70, 17286716), (124, 9758630), (140, 8643358), (155, 7806904), (217, 5576360), (248, 4879315), (280, 4321679), (310, 3903452), (434, 2788180), (620, 1951726), (868, 1394090), (1085, 1115272), (1240, 975863), (1736, 697045), (2170, 557636), (4340, 278818), (8680, 139409)]