215932500

素因数分解:

$2^2\times 3^3\times 5^4\times 7^1\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 240

約数和(自身を含む): 801243520

約数和(自身を除く): 585311020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 125, 126, 135, 140, 150, 175, 180, 189, 210, 225, 250, 252, 270, 300, 315, 350, 375, 378, 420, 450, 457, 500, 525, 540, 625, 630, 675, 700, 750, 756, 875, 900, 914, 945, 1050, 1125, 1250, 1260, 1350, 1371, 1500, 1575, 1750, 1828, 1875, 1890, 2100, 2250, 2285, 2500, 2625, 2700, 2742, 3150, 3199, 3375, 3500, 3750, 3780, 4113, 4375, 4500, 4570, 4725, 5250, 5484, 5625, 6300, 6398, 6750, 6855, 7500, 7875, 8226, 8750, 9140, 9450, 9597, 10500, 11250, 11425, 12339, 12796, 13125, 13500, 13710, 15750, 15995, 16452, 16875, 17500, 18900, 19194, 20565, 22500, 22850, 23625, 24678, 26250, 27420, 28791, 31500, 31990, 33750, 34275, 38388, 39375, 41130, 45700, 47250, 47985, 49356, 52500, 57125, 57582, 61695, 63980, 67500, 68550, 78750, 79975, 82260, 86373, 94500, 95970, 102825, 114250, 115164, 118125, 123390, 137100, 143955, 157500, 159950, 171375, 172746, 191940, 205650, 228500, 236250, 239925, 246780, 285625, 287910, 308475, 319900, 342750, 345492, 399875, 411300, 431865, 472500, 479850, 514125, 571250, 575820, 616950, 685500, 719775, 799750, 856875, 863730, 959700, 1028250, 1142500, 1199625, 1233900, 1439550, 1542375, 1599500, 1713750, 1727460, 1999375, 2056500, 2159325, 2399250, 2570625, 2879100, 3084750, 3427500, 3598875, 3998750, 4318650, 4798500, 5141250, 5998125, 6169500, 7197750, 7711875, 7997500, 8637300, 10282500, 10796625, 11996250, 14395500, 15423750, 17994375, 21593250, 23992500, 30847500, 35988750, 43186500, 53983125, 71977500, 107966250, 215932500]

約数ペア:

[(1, 215932500), (2, 107966250), (3, 71977500), (4, 53983125), (5, 43186500), (6, 35988750), (7, 30847500), (9, 23992500), (10, 21593250), (12, 17994375), (14, 15423750), (15, 14395500), (18, 11996250), (20, 10796625), (21, 10282500), (25, 8637300), (27, 7997500), (28, 7711875), (30, 7197750), (35, 6169500), (36, 5998125), (42, 5141250), (45, 4798500), (50, 4318650), (54, 3998750), (60, 3598875), (63, 3427500), (70, 3084750), (75, 2879100), (84, 2570625), (90, 2399250), (100, 2159325), (105, 2056500), (108, 1999375), (125, 1727460), (126, 1713750), (135, 1599500), (140, 1542375), (150, 1439550), (175, 1233900), (180, 1199625), (189, 1142500), (210, 1028250), (225, 959700), (250, 863730), (252, 856875), (270, 799750), (300, 719775), (315, 685500), (350, 616950), (375, 575820), (378, 571250), (420, 514125), (450, 479850), (457, 472500), (500, 431865), (525, 411300), (540, 399875), (625, 345492), (630, 342750), (675, 319900), (700, 308475), (750, 287910), (756, 285625), (875, 246780), (900, 239925), (914, 236250), (945, 228500), (1050, 205650), (1125, 191940), (1250, 172746), (1260, 171375), (1350, 159950), (1371, 157500), (1500, 143955), (1575, 137100), (1750, 123390), (1828, 118125), (1875, 115164), (1890, 114250), (2100, 102825), (2250, 95970), (2285, 94500), (2500, 86373), (2625, 82260), (2700, 79975), (2742, 78750), (3150, 68550), (3199, 67500), (3375, 63980), (3500, 61695), (3750, 57582), (3780, 57125), (4113, 52500), (4375, 49356), (4500, 47985), (4570, 47250), (4725, 45700), (5250, 41130), (5484, 39375), (5625, 38388), (6300, 34275), (6398, 33750), (6750, 31990), (6855, 31500), (7500, 28791), (7875, 27420), (8226, 26250), (8750, 24678), (9140, 23625), (9450, 22850), (9597, 22500), (10500, 20565), (11250, 19194), (11425, 18900), (12339, 17500), (12796, 16875), (13125, 16452), (13500, 15995), (13710, 15750)]