289777560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 895795200

約数和(自身を除く): 606017640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 191, 235, 269, 282, 376, 382, 470, 538, 564, 573, 705, 764, 807, 940, 955, 1076, 1128, 1146, 1345, 1410, 1528, 1614, 1880, 1910, 2152, 2292, 2690, 2820, 2865, 3228, 3820, 4035, 4584, 5380, 5640, 5730, 6456, 7640, 8070, 8977, 10760, 11460, 12643, 16140, 17954, 22920, 25286, 26931, 32280, 35908, 37929, 44885, 50572, 51379, 53862, 63215, 71816, 75858, 89770, 101144, 102758, 107724, 126430, 134655, 151716, 154137, 179540, 189645, 205516, 215448, 252860, 256895, 269310, 303432, 308274, 359080, 379290, 411032, 505720, 513790, 538620, 616548, 758580, 770685, 1027580, 1077240, 1233096, 1517160, 1541370, 2055160, 2414813, 3082740, 4829626, 6165480, 7244439, 9659252, 12074065, 14488878, 19318504, 24148130, 28977756, 36222195, 48296260, 57955512, 72444390, 96592520, 144888780, 289777560]

約数ペア:

[(1, 289777560), (2, 144888780), (3, 96592520), (4, 72444390), (5, 57955512), (6, 48296260), (8, 36222195), (10, 28977756), (12, 24148130), (15, 19318504), (20, 14488878), (24, 12074065), (30, 9659252), (40, 7244439), (47, 6165480), (60, 4829626), (94, 3082740), (120, 2414813), (141, 2055160), (188, 1541370), (191, 1517160), (235, 1233096), (269, 1077240), (282, 1027580), (376, 770685), (382, 758580), (470, 616548), (538, 538620), (564, 513790), (573, 505720), (705, 411032), (764, 379290), (807, 359080), (940, 308274), (955, 303432), (1076, 269310), (1128, 256895), (1146, 252860), (1345, 215448), (1410, 205516), (1528, 189645), (1614, 179540), (1880, 154137), (1910, 151716), (2152, 134655), (2292, 126430), (2690, 107724), (2820, 102758), (2865, 101144), (3228, 89770), (3820, 75858), (4035, 71816), (4584, 63215), (5380, 53862), (5640, 51379), (5730, 50572), (6456, 44885), (7640, 37929), (8070, 35908), (8977, 32280), (10760, 26931), (11460, 25286), (12643, 22920), (16140, 17954)]