81916380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1705

約数の個数: 192

約数和(自身を含む): 313850880

約数和(自身を除く): 231934500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1667, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3334, 3510, 3780, 4095, 4914, 5001, 5460, 6668, 7020, 8190, 8335, 9828, 10002, 11669, 12285, 15003, 16380, 16670, 20004, 21671, 23338, 24570, 25005, 30006, 33340, 35007, 43342, 45009, 46676, 49140, 50010, 58345, 60012, 65013, 70014, 75015, 86684, 90018, 100020, 105021, 108355, 116690, 130026, 140028, 150030, 151697, 175035, 180036, 195039, 210042, 216710, 225045, 233380, 260052, 300060, 303394, 315063, 325065, 350070, 390078, 420084, 433420, 450090, 455091, 525105, 585117, 606788, 630126, 650130, 700140, 758485, 780156, 900180, 910182, 975195, 1050210, 1170234, 1260252, 1300260, 1365273, 1516970, 1575315, 1820364, 1950390, 2100420, 2275455, 2340468, 2730546, 2925585, 3033940, 3150630, 3900780, 4095819, 4550910, 5461092, 5851170, 6301260, 6826365, 8191638, 9101820, 11702340, 13652730, 16383276, 20479095, 27305460, 40958190, 81916380]

約数ペア:

[(1, 81916380), (2, 40958190), (3, 27305460), (4, 20479095), (5, 16383276), (6, 13652730), (7, 11702340), (9, 9101820), (10, 8191638), (12, 6826365), (13, 6301260), (14, 5851170), (15, 5461092), (18, 4550910), (20, 4095819), (21, 3900780), (26, 3150630), (27, 3033940), (28, 2925585), (30, 2730546), (35, 2340468), (36, 2275455), (39, 2100420), (42, 1950390), (45, 1820364), (52, 1575315), (54, 1516970), (60, 1365273), (63, 1300260), (65, 1260252), (70, 1170234), (78, 1050210), (84, 975195), (90, 910182), (91, 900180), (105, 780156), (108, 758485), (117, 700140), (126, 650130), (130, 630126), (135, 606788), (140, 585117), (156, 525105), (180, 455091), (182, 450090), (189, 433420), (195, 420084), (210, 390078), (234, 350070), (252, 325065), (260, 315063), (270, 303394), (273, 300060), (315, 260052), (351, 233380), (364, 225045), (378, 216710), (390, 210042), (420, 195039), (455, 180036), (468, 175035), (540, 151697), (546, 150030), (585, 140028), (630, 130026), (702, 116690), (756, 108355), (780, 105021), (819, 100020), (910, 90018), (945, 86684), (1092, 75015), (1170, 70014), (1260, 65013), (1365, 60012), (1404, 58345), (1638, 50010), (1667, 49140), (1755, 46676), (1820, 45009), (1890, 43342), (2340, 35007), (2457, 33340), (2730, 30006), (3276, 25005), (3334, 24570), (3510, 23338), (3780, 21671), (4095, 20004), (4914, 16670), (5001, 16380), (5460, 15003), (6668, 12285), (7020, 11669), (8190, 10002), (8335, 9828)]