145727820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{115657}}^1$

素因数の和:115679

約数の個数: 72

約数和(自身を含む): 505194144

約数和(自身を除く): 359466324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 115657, 231314, 346971, 462628, 578285, 693942, 809599, 1040913, 1156570, 1387884, 1619198, 1734855, 2081826, 2313140, 2428797, 3238396, 3469710, 4047995, 4163652, 4857594, 5204565, 6939420, 7286391, 8095990, 9715188, 10409130, 12143985, 14572782, 16191980, 20818260, 24287970, 29145564, 36431955, 48575940, 72863910, 145727820]

約数ペア:

[(1, 145727820), (2, 72863910), (3, 48575940), (4, 36431955), (5, 29145564), (6, 24287970), (7, 20818260), (9, 16191980), (10, 14572782), (12, 12143985), (14, 10409130), (15, 9715188), (18, 8095990), (20, 7286391), (21, 6939420), (28, 5204565), (30, 4857594), (35, 4163652), (36, 4047995), (42, 3469710), (45, 3238396), (60, 2428797), (63, 2313140), (70, 2081826), (84, 1734855), (90, 1619198), (105, 1387884), (126, 1156570), (140, 1040913), (180, 809599), (210, 693942), (252, 578285), (315, 462628), (420, 346971), (630, 231314), (1260, 115657)]