1242887280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{272563}}^1$

素因数の和:272598

約数の個数: 80

約数和(自身を含む): 4055752320

約数和(自身を除く): 2812865040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 272563, 545126, 817689, 1090252, 1362815, 1635378, 2180504, 2725630, 3270756, 4088445, 4361008, 5178697, 5451260, 6541512, 8176890, 10357394, 10902520, 13083024, 15536091, 16353780, 20714788, 21805040, 25893485, 31072182, 32707560, 41429576, 51786970, 62144364, 65415120, 77680455, 82859152, 103573940, 124288728, 155360910, 207147880, 248577456, 310721820, 414295760, 621443640, 1242887280]

約数ペア:

[(1, 1242887280), (2, 621443640), (3, 414295760), (4, 310721820), (5, 248577456), (6, 207147880), (8, 155360910), (10, 124288728), (12, 103573940), (15, 82859152), (16, 77680455), (19, 65415120), (20, 62144364), (24, 51786970), (30, 41429576), (38, 32707560), (40, 31072182), (48, 25893485), (57, 21805040), (60, 20714788), (76, 16353780), (80, 15536091), (95, 13083024), (114, 10902520), (120, 10357394), (152, 8176890), (190, 6541512), (228, 5451260), (240, 5178697), (285, 4361008), (304, 4088445), (380, 3270756), (456, 2725630), (570, 2180504), (760, 1635378), (912, 1362815), (1140, 1090252), (1520, 817689), (2280, 545126), (4560, 272563)]