15931800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 54840240

約数和(自身を除く): 38908440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 53, 60, 72, 75, 90, 100, 106, 120, 150, 159, 167, 180, 200, 212, 225, 265, 300, 318, 334, 360, 424, 450, 477, 501, 530, 600, 636, 668, 795, 835, 900, 954, 1002, 1060, 1272, 1325, 1336, 1503, 1590, 1670, 1800, 1908, 2004, 2120, 2385, 2505, 2650, 3006, 3180, 3340, 3816, 3975, 4008, 4175, 4770, 5010, 5300, 6012, 6360, 6680, 7515, 7950, 8350, 8851, 9540, 10020, 10600, 11925, 12024, 12525, 15030, 15900, 16700, 17702, 19080, 20040, 23850, 25050, 26553, 30060, 31800, 33400, 35404, 37575, 44255, 47700, 50100, 53106, 60120, 70808, 75150, 79659, 88510, 95400, 100200, 106212, 132765, 150300, 159318, 177020, 212424, 221275, 265530, 300600, 318636, 354040, 398295, 442550, 531060, 637272, 663825, 796590, 885100, 1062120, 1327650, 1593180, 1770200, 1991475, 2655300, 3186360, 3982950, 5310600, 7965900, 15931800]

約数ペア:

[(1, 15931800), (2, 7965900), (3, 5310600), (4, 3982950), (5, 3186360), (6, 2655300), (8, 1991475), (9, 1770200), (10, 1593180), (12, 1327650), (15, 1062120), (18, 885100), (20, 796590), (24, 663825), (25, 637272), (30, 531060), (36, 442550), (40, 398295), (45, 354040), (50, 318636), (53, 300600), (60, 265530), (72, 221275), (75, 212424), (90, 177020), (100, 159318), (106, 150300), (120, 132765), (150, 106212), (159, 100200), (167, 95400), (180, 88510), (200, 79659), (212, 75150), (225, 70808), (265, 60120), (300, 53106), (318, 50100), (334, 47700), (360, 44255), (424, 37575), (450, 35404), (477, 33400), (501, 31800), (530, 30060), (600, 26553), (636, 25050), (668, 23850), (795, 20040), (835, 19080), (900, 17702), (954, 16700), (1002, 15900), (1060, 15030), (1272, 12525), (1325, 12024), (1336, 11925), (1503, 10600), (1590, 10020), (1670, 9540), (1800, 8851), (1908, 8350), (2004, 7950), (2120, 7515), (2385, 6680), (2505, 6360), (2650, 6012), (3006, 5300), (3180, 5010), (3340, 4770), (3816, 4175), (3975, 4008)]