42787500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^1\times {\mathrm{163}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 143490816

約数和(自身を除く): 100703316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 163, 175, 210, 250, 300, 326, 350, 375, 420, 489, 500, 525, 625, 652, 700, 750, 815, 875, 978, 1050, 1141, 1250, 1500, 1630, 1750, 1875, 1956, 2100, 2282, 2445, 2500, 2625, 3125, 3260, 3423, 3500, 3750, 4075, 4375, 4564, 4890, 5250, 5705, 6250, 6846, 7500, 8150, 8750, 9375, 9780, 10500, 11410, 12225, 12500, 13125, 13692, 16300, 17115, 17500, 18750, 20375, 21875, 22820, 24450, 26250, 28525, 34230, 37500, 40750, 43750, 48900, 52500, 57050, 61125, 65625, 68460, 81500, 85575, 87500, 101875, 114100, 122250, 131250, 142625, 171150, 203750, 244500, 262500, 285250, 305625, 342300, 407500, 427875, 509375, 570500, 611250, 713125, 855750, 1018750, 1222500, 1426250, 1528125, 1711500, 2037500, 2139375, 2852500, 3056250, 3565625, 4278750, 6112500, 7131250, 8557500, 10696875, 14262500, 21393750, 42787500]

約数ペア:

[(1, 42787500), (2, 21393750), (3, 14262500), (4, 10696875), (5, 8557500), (6, 7131250), (7, 6112500), (10, 4278750), (12, 3565625), (14, 3056250), (15, 2852500), (20, 2139375), (21, 2037500), (25, 1711500), (28, 1528125), (30, 1426250), (35, 1222500), (42, 1018750), (50, 855750), (60, 713125), (70, 611250), (75, 570500), (84, 509375), (100, 427875), (105, 407500), (125, 342300), (140, 305625), (150, 285250), (163, 262500), (175, 244500), (210, 203750), (250, 171150), (300, 142625), (326, 131250), (350, 122250), (375, 114100), (420, 101875), (489, 87500), (500, 85575), (525, 81500), (625, 68460), (652, 65625), (700, 61125), (750, 57050), (815, 52500), (875, 48900), (978, 43750), (1050, 40750), (1141, 37500), (1250, 34230), (1500, 28525), (1630, 26250), (1750, 24450), (1875, 22820), (1956, 21875), (2100, 20375), (2282, 18750), (2445, 17500), (2500, 17115), (2625, 16300), (3125, 13692), (3260, 13125), (3423, 12500), (3500, 12225), (3750, 11410), (4075, 10500), (4375, 9780), (4564, 9375), (4890, 8750), (5250, 8150), (5705, 7500), (6250, 6846)]