65481780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 230307840

約数和(自身を除く): 164826060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 67, 70, 78, 84, 91, 105, 130, 134, 140, 156, 179, 182, 195, 201, 210, 260, 268, 273, 335, 358, 364, 390, 402, 420, 455, 469, 537, 546, 670, 716, 780, 804, 871, 895, 910, 938, 1005, 1074, 1092, 1253, 1340, 1365, 1407, 1742, 1790, 1820, 1876, 2010, 2148, 2327, 2345, 2506, 2613, 2685, 2730, 2814, 3484, 3580, 3759, 4020, 4355, 4654, 4690, 5012, 5226, 5370, 5460, 5628, 6097, 6265, 6981, 7035, 7518, 8710, 9308, 9380, 10452, 10740, 11635, 11993, 12194, 12530, 13065, 13962, 14070, 15036, 16289, 17420, 18291, 18795, 23270, 23986, 24388, 25060, 26130, 27924, 28140, 30485, 32578, 34905, 35979, 36582, 37590, 46540, 47972, 48867, 52260, 59965, 60970, 65156, 69810, 71958, 73164, 75180, 81445, 83951, 91455, 97734, 119930, 121940, 139620, 143916, 155909, 162890, 167902, 179895, 182910, 195468, 239860, 244335, 251853, 311818, 325780, 335804, 359790, 365820, 419755, 467727, 488670, 503706, 623636, 719580, 779545, 839510, 935454, 977340, 1007412, 1091363, 1259265, 1559090, 1679020, 1870908, 2182726, 2338635, 2518530, 3118180, 3274089, 4365452, 4677270, 5037060, 5456815, 6548178, 9354540, 10913630, 13096356, 16370445, 21827260, 32740890, 65481780]

約数ペア:

[(1, 65481780), (2, 32740890), (3, 21827260), (4, 16370445), (5, 13096356), (6, 10913630), (7, 9354540), (10, 6548178), (12, 5456815), (13, 5037060), (14, 4677270), (15, 4365452), (20, 3274089), (21, 3118180), (26, 2518530), (28, 2338635), (30, 2182726), (35, 1870908), (39, 1679020), (42, 1559090), (52, 1259265), (60, 1091363), (65, 1007412), (67, 977340), (70, 935454), (78, 839510), (84, 779545), (91, 719580), (105, 623636), (130, 503706), (134, 488670), (140, 467727), (156, 419755), (179, 365820), (182, 359790), (195, 335804), (201, 325780), (210, 311818), (260, 251853), (268, 244335), (273, 239860), (335, 195468), (358, 182910), (364, 179895), (390, 167902), (402, 162890), (420, 155909), (455, 143916), (469, 139620), (537, 121940), (546, 119930), (670, 97734), (716, 91455), (780, 83951), (804, 81445), (871, 75180), (895, 73164), (910, 71958), (938, 69810), (1005, 65156), (1074, 60970), (1092, 59965), (1253, 52260), (1340, 48867), (1365, 47972), (1407, 46540), (1742, 37590), (1790, 36582), (1820, 35979), (1876, 34905), (2010, 32578), (2148, 30485), (2327, 28140), (2345, 27924), (2506, 26130), (2613, 25060), (2685, 24388), (2730, 23986), (2814, 23270), (3484, 18795), (3580, 18291), (3759, 17420), (4020, 16289), (4355, 15036), (4654, 14070), (4690, 13962), (5012, 13065), (5226, 12530), (5370, 12194), (5460, 11993), (5628, 11635), (6097, 10740), (6265, 10452), (6981, 9380), (7035, 9308), (7518, 8710)]