80528460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70639}}^1$

素因数の和:70670

約数の個数: 48

約数和(自身を含む): 237350400

約数和(自身を除く): 156821940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 70639, 141278, 211917, 282556, 353195, 423834, 706390, 847668, 1059585, 1342141, 1412780, 2119170, 2684282, 4026423, 4238340, 5368564, 6710705, 8052846, 13421410, 16105692, 20132115, 26842820, 40264230, 80528460]

約数ペア:

[(1, 80528460), (2, 40264230), (3, 26842820), (4, 20132115), (5, 16105692), (6, 13421410), (10, 8052846), (12, 6710705), (15, 5368564), (19, 4238340), (20, 4026423), (30, 2684282), (38, 2119170), (57, 1412780), (60, 1342141), (76, 1059585), (95, 847668), (114, 706390), (190, 423834), (228, 353195), (285, 282556), (380, 211917), (570, 141278), (1140, 70639)]