81317600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1157

約数の個数: 144

約数和(自身を含む): 244546848

約数和(自身を除く): 163229248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 325, 350, 364, 400, 416, 455, 520, 560, 650, 700, 728, 800, 910, 1040, 1117, 1120, 1300, 1400, 1456, 1820, 2080, 2234, 2275, 2600, 2800, 2912, 3640, 4468, 4550, 5200, 5585, 5600, 7280, 7819, 8936, 9100, 10400, 11170, 14521, 14560, 15638, 17872, 18200, 22340, 27925, 29042, 31276, 35744, 36400, 39095, 44680, 55850, 58084, 62552, 72605, 72800, 78190, 89360, 101647, 111700, 116168, 125104, 145210, 156380, 178720, 195475, 203294, 223400, 232336, 250208, 290420, 312760, 363025, 390950, 406588, 446800, 464672, 508235, 580840, 625520, 726050, 781900, 813176, 893600, 1016470, 1161680, 1251040, 1452100, 1563800, 1626352, 2032940, 2323360, 2541175, 2904200, 3127600, 3252704, 4065880, 5082350, 5808400, 6255200, 8131760, 10164700, 11616800, 16263520, 20329400, 40658800, 81317600]

約数ペア:

[(1, 81317600), (2, 40658800), (4, 20329400), (5, 16263520), (7, 11616800), (8, 10164700), (10, 8131760), (13, 6255200), (14, 5808400), (16, 5082350), (20, 4065880), (25, 3252704), (26, 3127600), (28, 2904200), (32, 2541175), (35, 2323360), (40, 2032940), (50, 1626352), (52, 1563800), (56, 1452100), (65, 1251040), (70, 1161680), (80, 1016470), (91, 893600), (100, 813176), (104, 781900), (112, 726050), (130, 625520), (140, 580840), (160, 508235), (175, 464672), (182, 446800), (200, 406588), (208, 390950), (224, 363025), (260, 312760), (280, 290420), (325, 250208), (350, 232336), (364, 223400), (400, 203294), (416, 195475), (455, 178720), (520, 156380), (560, 145210), (650, 125104), (700, 116168), (728, 111700), (800, 101647), (910, 89360), (1040, 78190), (1117, 72800), (1120, 72605), (1300, 62552), (1400, 58084), (1456, 55850), (1820, 44680), (2080, 39095), (2234, 36400), (2275, 35744), (2600, 31276), (2800, 29042), (2912, 27925), (3640, 22340), (4468, 18200), (4550, 17872), (5200, 15638), (5585, 14560), (5600, 14521), (7280, 11170), (7819, 10400), (8936, 9100)]