28179000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 99290880

約数和(自身を除く): 71111880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 72, 75, 90, 93, 100, 101, 120, 124, 125, 150, 155, 180, 186, 200, 202, 225, 248, 250, 279, 300, 303, 310, 360, 372, 375, 404, 450, 465, 500, 505, 558, 600, 606, 620, 744, 750, 775, 808, 900, 909, 930, 1000, 1010, 1116, 1125, 1212, 1240, 1395, 1500, 1515, 1550, 1800, 1818, 1860, 2020, 2232, 2250, 2325, 2424, 2525, 2790, 3000, 3030, 3100, 3131, 3636, 3720, 3875, 4040, 4500, 4545, 4650, 5050, 5580, 6060, 6200, 6262, 6975, 7272, 7575, 7750, 9000, 9090, 9300, 9393, 10100, 11160, 11625, 12120, 12524, 12625, 13950, 15150, 15500, 15655, 18180, 18600, 18786, 20200, 22725, 23250, 25048, 25250, 27900, 28179, 30300, 31000, 31310, 34875, 36360, 37572, 37875, 45450, 46500, 46965, 50500, 55800, 56358, 60600, 62620, 69750, 75144, 75750, 78275, 90900, 93000, 93930, 101000, 112716, 113625, 125240, 139500, 140895, 151500, 156550, 181800, 187860, 225432, 227250, 234825, 279000, 281790, 303000, 313100, 375720, 391375, 454500, 469650, 563580, 626200, 704475, 782750, 909000, 939300, 1127160, 1174125, 1408950, 1565500, 1878600, 2348250, 2817900, 3131000, 3522375, 4696500, 5635800, 7044750, 9393000, 14089500, 28179000]

約数ペア:

[(1, 28179000), (2, 14089500), (3, 9393000), (4, 7044750), (5, 5635800), (6, 4696500), (8, 3522375), (9, 3131000), (10, 2817900), (12, 2348250), (15, 1878600), (18, 1565500), (20, 1408950), (24, 1174125), (25, 1127160), (30, 939300), (31, 909000), (36, 782750), (40, 704475), (45, 626200), (50, 563580), (60, 469650), (62, 454500), (72, 391375), (75, 375720), (90, 313100), (93, 303000), (100, 281790), (101, 279000), (120, 234825), (124, 227250), (125, 225432), (150, 187860), (155, 181800), (180, 156550), (186, 151500), (200, 140895), (202, 139500), (225, 125240), (248, 113625), (250, 112716), (279, 101000), (300, 93930), (303, 93000), (310, 90900), (360, 78275), (372, 75750), (375, 75144), (404, 69750), (450, 62620), (465, 60600), (500, 56358), (505, 55800), (558, 50500), (600, 46965), (606, 46500), (620, 45450), (744, 37875), (750, 37572), (775, 36360), (808, 34875), (900, 31310), (909, 31000), (930, 30300), (1000, 28179), (1010, 27900), (1116, 25250), (1125, 25048), (1212, 23250), (1240, 22725), (1395, 20200), (1500, 18786), (1515, 18600), (1550, 18180), (1800, 15655), (1818, 15500), (1860, 15150), (2020, 13950), (2232, 12625), (2250, 12524), (2325, 12120), (2424, 11625), (2525, 11160), (2790, 10100), (3000, 9393), (3030, 9300), (3100, 9090), (3131, 9000), (3636, 7750), (3720, 7575), (3875, 7272), (4040, 6975), (4500, 6262), (4545, 6200), (4650, 6060), (5050, 5580)]