65317980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1748

約数の個数: 144

約数和(自身を含む): 229249440

約数和(自身を除く): 163931460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1709, 1820, 1911, 2548, 2730, 2940, 3185, 3418, 3822, 5127, 5460, 6370, 6836, 7644, 8545, 9555, 10254, 11963, 12740, 17090, 19110, 20508, 22217, 23926, 25635, 34180, 35889, 38220, 44434, 47852, 51270, 59815, 66651, 71778, 83741, 88868, 102540, 111085, 119630, 133302, 143556, 155519, 167482, 179445, 222170, 239260, 251223, 266604, 311038, 333255, 334964, 358890, 418705, 444340, 466557, 502446, 622076, 666510, 717780, 777595, 837410, 933114, 1004892, 1088633, 1256115, 1333020, 1555190, 1674820, 1866228, 2177266, 2332785, 2512230, 3110380, 3265899, 4354532, 4665570, 5024460, 5443165, 6531798, 9331140, 10886330, 13063596, 16329495, 21772660, 32658990, 65317980]

約数ペア:

[(1, 65317980), (2, 32658990), (3, 21772660), (4, 16329495), (5, 13063596), (6, 10886330), (7, 9331140), (10, 6531798), (12, 5443165), (13, 5024460), (14, 4665570), (15, 4354532), (20, 3265899), (21, 3110380), (26, 2512230), (28, 2332785), (30, 2177266), (35, 1866228), (39, 1674820), (42, 1555190), (49, 1333020), (52, 1256115), (60, 1088633), (65, 1004892), (70, 933114), (78, 837410), (84, 777595), (91, 717780), (98, 666510), (105, 622076), (130, 502446), (140, 466557), (147, 444340), (156, 418705), (182, 358890), (195, 334964), (196, 333255), (210, 311038), (245, 266604), (260, 251223), (273, 239260), (294, 222170), (364, 179445), (390, 167482), (420, 155519), (455, 143556), (490, 133302), (546, 119630), (588, 111085), (637, 102540), (735, 88868), (780, 83741), (910, 71778), (980, 66651), (1092, 59815), (1274, 51270), (1365, 47852), (1470, 44434), (1709, 38220), (1820, 35889), (1911, 34180), (2548, 25635), (2730, 23926), (2940, 22217), (3185, 20508), (3418, 19110), (3822, 17090), (5127, 12740), (5460, 11963), (6370, 10254), (6836, 9555), (7644, 8545)]