72081900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 180

約数和(自身を含む): 255218040

約数和(自身を除く): 183136140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 81, 90, 99, 100, 108, 110, 132, 135, 150, 162, 165, 180, 198, 220, 225, 270, 275, 297, 300, 324, 330, 396, 405, 450, 495, 540, 550, 594, 660, 675, 809, 810, 825, 891, 900, 990, 1100, 1188, 1350, 1485, 1618, 1620, 1650, 1782, 1980, 2025, 2427, 2475, 2700, 2970, 3236, 3300, 3564, 4045, 4050, 4455, 4854, 4950, 5940, 7281, 7425, 8090, 8100, 8899, 8910, 9708, 9900, 12135, 14562, 14850, 16180, 17798, 17820, 20225, 21843, 22275, 24270, 26697, 29124, 29700, 35596, 36405, 40450, 43686, 44495, 44550, 48540, 53394, 60675, 65529, 72810, 80091, 80900, 87372, 88990, 89100, 106788, 109215, 121350, 131058, 133485, 145620, 160182, 177980, 182025, 218430, 222475, 240273, 242700, 262116, 266970, 320364, 327645, 364050, 400455, 436860, 444950, 480546, 533940, 546075, 655290, 667425, 720819, 728100, 800910, 889900, 961092, 1092150, 1201365, 1310580, 1334850, 1441638, 1601820, 1638225, 2002275, 2184300, 2402730, 2669700, 2883276, 3276450, 3604095, 4004550, 4805460, 6006825, 6552900, 7208190, 8009100, 12013650, 14416380, 18020475, 24027300, 36040950, 72081900]

約数ペア:

[(1, 72081900), (2, 36040950), (3, 24027300), (4, 18020475), (5, 14416380), (6, 12013650), (9, 8009100), (10, 7208190), (11, 6552900), (12, 6006825), (15, 4805460), (18, 4004550), (20, 3604095), (22, 3276450), (25, 2883276), (27, 2669700), (30, 2402730), (33, 2184300), (36, 2002275), (44, 1638225), (45, 1601820), (50, 1441638), (54, 1334850), (55, 1310580), (60, 1201365), (66, 1092150), (75, 961092), (81, 889900), (90, 800910), (99, 728100), (100, 720819), (108, 667425), (110, 655290), (132, 546075), (135, 533940), (150, 480546), (162, 444950), (165, 436860), (180, 400455), (198, 364050), (220, 327645), (225, 320364), (270, 266970), (275, 262116), (297, 242700), (300, 240273), (324, 222475), (330, 218430), (396, 182025), (405, 177980), (450, 160182), (495, 145620), (540, 133485), (550, 131058), (594, 121350), (660, 109215), (675, 106788), (809, 89100), (810, 88990), (825, 87372), (891, 80900), (900, 80091), (990, 72810), (1100, 65529), (1188, 60675), (1350, 53394), (1485, 48540), (1618, 44550), (1620, 44495), (1650, 43686), (1782, 40450), (1980, 36405), (2025, 35596), (2427, 29700), (2475, 29124), (2700, 26697), (2970, 24270), (3236, 22275), (3300, 21843), (3564, 20225), (4045, 17820), (4050, 17798), (4455, 16180), (4854, 14850), (4950, 14562), (5940, 12135), (7281, 9900), (7425, 9708), (8090, 8910), (8100, 8899)]