765440000

素因数分解:

$2^{12}\times 5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 260

約数和(自身を含む): 2149449456

約数和(自身を除く): 1384009456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 64, 65, 80, 92, 100, 104, 115, 125, 128, 130, 160, 184, 200, 208, 230, 250, 256, 260, 299, 320, 325, 368, 400, 416, 460, 500, 512, 520, 575, 598, 625, 640, 650, 736, 800, 832, 920, 1000, 1024, 1040, 1150, 1196, 1250, 1280, 1300, 1472, 1495, 1600, 1625, 1664, 1840, 2000, 2048, 2080, 2300, 2392, 2500, 2560, 2600, 2875, 2944, 2990, 3200, 3250, 3328, 3680, 4000, 4096, 4160, 4600, 4784, 5000, 5120, 5200, 5750, 5888, 5980, 6400, 6500, 6656, 7360, 7475, 8000, 8125, 8320, 9200, 9568, 10000, 10240, 10400, 11500, 11776, 11960, 12800, 13000, 13312, 14375, 14720, 14950, 16000, 16250, 16640, 18400, 19136, 20000, 20480, 20800, 23000, 23552, 23920, 25600, 26000, 26624, 28750, 29440, 29900, 32000, 32500, 33280, 36800, 37375, 38272, 40000, 41600, 46000, 47104, 47840, 51200, 52000, 53248, 57500, 58880, 59800, 64000, 65000, 66560, 73600, 74750, 76544, 80000, 83200, 92000, 94208, 95680, 102400, 104000, 115000, 117760, 119600, 128000, 130000, 133120, 147200, 149500, 153088, 160000, 166400, 184000, 186875, 191360, 208000, 230000, 235520, 239200, 256000, 260000, 266240, 294400, 299000, 306176, 320000, 332800, 368000, 373750, 382720, 416000, 460000, 471040, 478400, 512000, 520000, 588800, 598000, 612352, 640000, 665600, 736000, 747500, 765440, 832000, 920000, 956800, 1040000, 1177600, 1196000, 1224704, 1280000, 1331200, 1472000, 1495000, 1530880, 1664000, 1840000, 1913600, 2080000, 2355200, 2392000, 2560000, 2944000, 2990000, 3061760, 3328000, 3680000, 3827200, 4160000, 4784000, 5888000, 5980000, 6123520, 6656000, 7360000, 7654400, 8320000, 9568000, 11776000, 11960000, 14720000, 15308800, 16640000, 19136000, 23920000, 29440000, 30617600, 33280000, 38272000, 47840000, 58880000, 76544000, 95680000, 153088000, 191360000, 382720000, 765440000]

約数ペア:

[(1, 765440000), (2, 382720000), (4, 191360000), (5, 153088000), (8, 95680000), (10, 76544000), (13, 58880000), (16, 47840000), (20, 38272000), (23, 33280000), (25, 30617600), (26, 29440000), (32, 23920000), (40, 19136000), (46, 16640000), (50, 15308800), (52, 14720000), (64, 11960000), (65, 11776000), (80, 9568000), (92, 8320000), (100, 7654400), (104, 7360000), (115, 6656000), (125, 6123520), (128, 5980000), (130, 5888000), (160, 4784000), (184, 4160000), (200, 3827200), (208, 3680000), (230, 3328000), (250, 3061760), (256, 2990000), (260, 2944000), (299, 2560000), (320, 2392000), (325, 2355200), (368, 2080000), (400, 1913600), (416, 1840000), (460, 1664000), (500, 1530880), (512, 1495000), (520, 1472000), (575, 1331200), (598, 1280000), (625, 1224704), (640, 1196000), (650, 1177600), (736, 1040000), (800, 956800), (832, 920000), (920, 832000), (1000, 765440), (1024, 747500), (1040, 736000), (1150, 665600), (1196, 640000), (1250, 612352), (1280, 598000), (1300, 588800), (1472, 520000), (1495, 512000), (1600, 478400), (1625, 471040), (1664, 460000), (1840, 416000), (2000, 382720), (2048, 373750), (2080, 368000), (2300, 332800), (2392, 320000), (2500, 306176), (2560, 299000), (2600, 294400), (2875, 266240), (2944, 260000), (2990, 256000), (3200, 239200), (3250, 235520), (3328, 230000), (3680, 208000), (4000, 191360), (4096, 186875), (4160, 184000), (4600, 166400), (4784, 160000), (5000, 153088), (5120, 149500), (5200, 147200), (5750, 133120), (5888, 130000), (5980, 128000), (6400, 119600), (6500, 117760), (6656, 115000), (7360, 104000), (7475, 102400), (8000, 95680), (8125, 94208), (8320, 92000), (9200, 83200), (9568, 80000), (10000, 76544), (10240, 74750), (10400, 73600), (11500, 66560), (11776, 65000), (11960, 64000), (12800, 59800), (13000, 58880), (13312, 57500), (14375, 53248), (14720, 52000), (14950, 51200), (16000, 47840), (16250, 47104), (16640, 46000), (18400, 41600), (19136, 40000), (20000, 38272), (20480, 37375), (20800, 36800), (23000, 33280), (23552, 32500), (23920, 32000), (25600, 29900), (26000, 29440), (26624, 28750)]