80081820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4924

約数の個数: 144

約数和(自身を含む): 299033280

約数和(自身を除く): 218951460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4889, 5460, 8190, 9778, 14667, 16380, 19556, 24445, 29334, 34223, 44001, 48890, 58668, 63557, 68446, 73335, 88002, 97780, 102669, 127114, 136892, 146670, 171115, 176004, 190671, 205338, 220005, 254228, 293340, 308007, 317785, 342230, 381342, 410676, 440010, 444899, 513345, 572013, 616014, 635570, 684460, 762684, 880020, 889798, 953355, 1026690, 1144026, 1232028, 1271140, 1334697, 1540035, 1779596, 1906710, 2053380, 2224495, 2288052, 2669394, 2860065, 3080070, 3813420, 4004091, 4448990, 5338788, 5720130, 6160140, 6673485, 8008182, 8897980, 11440260, 13346970, 16016364, 20020455, 26693940, 40040910, 80081820]

約数ペア:

[(1, 80081820), (2, 40040910), (3, 26693940), (4, 20020455), (5, 16016364), (6, 13346970), (7, 11440260), (9, 8897980), (10, 8008182), (12, 6673485), (13, 6160140), (14, 5720130), (15, 5338788), (18, 4448990), (20, 4004091), (21, 3813420), (26, 3080070), (28, 2860065), (30, 2669394), (35, 2288052), (36, 2224495), (39, 2053380), (42, 1906710), (45, 1779596), (52, 1540035), (60, 1334697), (63, 1271140), (65, 1232028), (70, 1144026), (78, 1026690), (84, 953355), (90, 889798), (91, 880020), (105, 762684), (117, 684460), (126, 635570), (130, 616014), (140, 572013), (156, 513345), (180, 444899), (182, 440010), (195, 410676), (210, 381342), (234, 342230), (252, 317785), (260, 308007), (273, 293340), (315, 254228), (364, 220005), (390, 205338), (420, 190671), (455, 176004), (468, 171115), (546, 146670), (585, 136892), (630, 127114), (780, 102669), (819, 97780), (910, 88002), (1092, 73335), (1170, 68446), (1260, 63557), (1365, 58668), (1638, 48890), (1820, 44001), (2340, 34223), (2730, 29334), (3276, 24445), (4095, 19556), (4889, 16380), (5460, 14667), (8190, 9778)]