821730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 2528064

約数和(自身を除く): 1706334

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 43, 49, 65, 70, 78, 86, 91, 98, 105, 129, 130, 147, 182, 195, 210, 215, 245, 258, 273, 294, 301, 390, 430, 455, 490, 546, 559, 602, 637, 645, 735, 903, 910, 1118, 1274, 1290, 1365, 1470, 1505, 1677, 1806, 1911, 2107, 2730, 2795, 3010, 3185, 3354, 3822, 3913, 4214, 4515, 5590, 6321, 6370, 7826, 8385, 9030, 9555, 10535, 11739, 12642, 16770, 19110, 19565, 21070, 23478, 27391, 31605, 39130, 54782, 58695, 63210, 82173, 117390, 136955, 164346, 273910, 410865, 821730]

約数ペア:

[(1, 821730), (2, 410865), (3, 273910), (5, 164346), (6, 136955), (7, 117390), (10, 82173), (13, 63210), (14, 58695), (15, 54782), (21, 39130), (26, 31605), (30, 27391), (35, 23478), (39, 21070), (42, 19565), (43, 19110), (49, 16770), (65, 12642), (70, 11739), (78, 10535), (86, 9555), (91, 9030), (98, 8385), (105, 7826), (129, 6370), (130, 6321), (147, 5590), (182, 4515), (195, 4214), (210, 3913), (215, 3822), (245, 3354), (258, 3185), (273, 3010), (294, 2795), (301, 2730), (390, 2107), (430, 1911), (455, 1806), (490, 1677), (546, 1505), (559, 1470), (602, 1365), (637, 1290), (645, 1274), (735, 1118), (903, 910)]