28507500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1\times {\mathrm{181}}^1$

素因数の和:218

約数の個数: 180

約数和(自身を含む): 103479376

約数和(自身を除く): 74971876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 181, 210, 225, 250, 252, 300, 315, 350, 362, 375, 420, 450, 500, 525, 543, 625, 630, 700, 724, 750, 875, 900, 905, 1050, 1086, 1125, 1250, 1260, 1267, 1500, 1575, 1629, 1750, 1810, 1875, 2100, 2172, 2250, 2500, 2534, 2625, 2715, 3150, 3258, 3500, 3620, 3750, 3801, 4375, 4500, 4525, 5068, 5250, 5430, 5625, 6300, 6335, 6516, 7500, 7602, 7875, 8145, 8750, 9050, 10500, 10860, 11250, 11403, 12670, 13125, 13575, 15204, 15750, 16290, 17500, 18100, 19005, 22500, 22625, 22806, 25340, 26250, 27150, 31500, 31675, 32580, 38010, 39375, 40725, 45250, 45612, 52500, 54300, 57015, 63350, 67875, 76020, 78750, 81450, 90500, 95025, 113125, 114030, 126700, 135750, 157500, 158375, 162900, 190050, 203625, 226250, 228060, 271500, 285075, 316750, 339375, 380100, 407250, 452500, 475125, 570150, 633500, 678750, 791875, 814500, 950250, 1018125, 1140300, 1357500, 1425375, 1583750, 1900500, 2036250, 2375625, 2850750, 3167500, 4072500, 4751250, 5701500, 7126875, 9502500, 14253750, 28507500]

約数ペア:

[(1, 28507500), (2, 14253750), (3, 9502500), (4, 7126875), (5, 5701500), (6, 4751250), (7, 4072500), (9, 3167500), (10, 2850750), (12, 2375625), (14, 2036250), (15, 1900500), (18, 1583750), (20, 1425375), (21, 1357500), (25, 1140300), (28, 1018125), (30, 950250), (35, 814500), (36, 791875), (42, 678750), (45, 633500), (50, 570150), (60, 475125), (63, 452500), (70, 407250), (75, 380100), (84, 339375), (90, 316750), (100, 285075), (105, 271500), (125, 228060), (126, 226250), (140, 203625), (150, 190050), (175, 162900), (180, 158375), (181, 157500), (210, 135750), (225, 126700), (250, 114030), (252, 113125), (300, 95025), (315, 90500), (350, 81450), (362, 78750), (375, 76020), (420, 67875), (450, 63350), (500, 57015), (525, 54300), (543, 52500), (625, 45612), (630, 45250), (700, 40725), (724, 39375), (750, 38010), (875, 32580), (900, 31675), (905, 31500), (1050, 27150), (1086, 26250), (1125, 25340), (1250, 22806), (1260, 22625), (1267, 22500), (1500, 19005), (1575, 18100), (1629, 17500), (1750, 16290), (1810, 15750), (1875, 15204), (2100, 13575), (2172, 13125), (2250, 12670), (2500, 11403), (2534, 11250), (2625, 10860), (2715, 10500), (3150, 9050), (3258, 8750), (3500, 8145), (3620, 7875), (3750, 7602), (3801, 7500), (4375, 6516), (4500, 6335), (4525, 6300), (5068, 5625), (5250, 5430)]