405450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 72

約数和(自身を含む): 1175148

約数和(自身を除く): 769698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 53, 75, 85, 90, 102, 106, 150, 153, 159, 170, 225, 255, 265, 306, 318, 425, 450, 477, 510, 530, 765, 795, 850, 901, 954, 1275, 1325, 1530, 1590, 1802, 2385, 2550, 2650, 2703, 3825, 3975, 4505, 4770, 5406, 7650, 7950, 8109, 9010, 11925, 13515, 16218, 22525, 23850, 27030, 40545, 45050, 67575, 81090, 135150, 202725, 405450]

約数ペア:

[(1, 405450), (2, 202725), (3, 135150), (5, 81090), (6, 67575), (9, 45050), (10, 40545), (15, 27030), (17, 23850), (18, 22525), (25, 16218), (30, 13515), (34, 11925), (45, 9010), (50, 8109), (51, 7950), (53, 7650), (75, 5406), (85, 4770), (90, 4505), (102, 3975), (106, 3825), (150, 2703), (153, 2650), (159, 2550), (170, 2385), (225, 1802), (255, 1590), (265, 1530), (306, 1325), (318, 1275), (425, 954), (450, 901), (477, 850), (510, 795), (530, 765)]