66783990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1486

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 142234890

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 51, 65, 70, 78, 85, 91, 102, 105, 119, 130, 170, 182, 195, 210, 221, 238, 255, 273, 357, 390, 442, 455, 510, 546, 595, 663, 714, 910, 1105, 1190, 1326, 1365, 1439, 1547, 1785, 2210, 2730, 2878, 3094, 3315, 3570, 4317, 4641, 6630, 7195, 7735, 8634, 9282, 10073, 14390, 15470, 18707, 20146, 21585, 23205, 24463, 30219, 37414, 43170, 46410, 48926, 50365, 56121, 60438, 73389, 93535, 100730, 112242, 122315, 130949, 146778, 151095, 171241, 187070, 244630, 261898, 280605, 302190, 318019, 342482, 366945, 392847, 513723, 561210, 636038, 654745, 733890, 785694, 856205, 954057, 1027446, 1309490, 1590095, 1712410, 1908114, 1964235, 2226133, 2568615, 3180190, 3928470, 4452266, 4770285, 5137230, 6678399, 9540570, 11130665, 13356798, 22261330, 33391995, 66783990]

約数ペア:

[(1, 66783990), (2, 33391995), (3, 22261330), (5, 13356798), (6, 11130665), (7, 9540570), (10, 6678399), (13, 5137230), (14, 4770285), (15, 4452266), (17, 3928470), (21, 3180190), (26, 2568615), (30, 2226133), (34, 1964235), (35, 1908114), (39, 1712410), (42, 1590095), (51, 1309490), (65, 1027446), (70, 954057), (78, 856205), (85, 785694), (91, 733890), (102, 654745), (105, 636038), (119, 561210), (130, 513723), (170, 392847), (182, 366945), (195, 342482), (210, 318019), (221, 302190), (238, 280605), (255, 261898), (273, 244630), (357, 187070), (390, 171241), (442, 151095), (455, 146778), (510, 130949), (546, 122315), (595, 112242), (663, 100730), (714, 93535), (910, 73389), (1105, 60438), (1190, 56121), (1326, 50365), (1365, 48926), (1439, 46410), (1547, 43170), (1785, 37414), (2210, 30219), (2730, 24463), (2878, 23205), (3094, 21585), (3315, 20146), (3570, 18707), (4317, 15470), (4641, 14390), (6630, 10073), (7195, 9282), (7735, 8634)]