280856280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{733}}^1$

素因数の和:881

約数の個数: 128

約数和(自身を含む): 879390720

約数和(自身を除く): 598534440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 103, 120, 124, 155, 186, 206, 248, 309, 310, 372, 412, 465, 515, 618, 620, 733, 744, 824, 930, 1030, 1236, 1240, 1466, 1545, 1860, 2060, 2199, 2472, 2932, 3090, 3193, 3665, 3720, 4120, 4398, 5864, 6180, 6386, 7330, 8796, 9579, 10995, 12360, 12772, 14660, 15965, 17592, 19158, 21990, 22723, 25544, 29320, 31930, 38316, 43980, 45446, 47895, 63860, 68169, 75499, 76632, 87960, 90892, 95790, 113615, 127720, 136338, 150998, 181784, 191580, 226497, 227230, 272676, 301996, 340845, 377495, 383160, 452994, 454460, 545352, 603992, 681690, 754990, 905988, 908920, 1132485, 1363380, 1509980, 1811976, 2264970, 2340469, 2726760, 3019960, 4529940, 4680938, 7021407, 9059880, 9361876, 11702345, 14042814, 18723752, 23404690, 28085628, 35107035, 46809380, 56171256, 70214070, 93618760, 140428140, 280856280]

約数ペア:

[(1, 280856280), (2, 140428140), (3, 93618760), (4, 70214070), (5, 56171256), (6, 46809380), (8, 35107035), (10, 28085628), (12, 23404690), (15, 18723752), (20, 14042814), (24, 11702345), (30, 9361876), (31, 9059880), (40, 7021407), (60, 4680938), (62, 4529940), (93, 3019960), (103, 2726760), (120, 2340469), (124, 2264970), (155, 1811976), (186, 1509980), (206, 1363380), (248, 1132485), (309, 908920), (310, 905988), (372, 754990), (412, 681690), (465, 603992), (515, 545352), (618, 454460), (620, 452994), (733, 383160), (744, 377495), (824, 340845), (930, 301996), (1030, 272676), (1236, 227230), (1240, 226497), (1466, 191580), (1545, 181784), (1860, 150998), (2060, 136338), (2199, 127720), (2472, 113615), (2932, 95790), (3090, 90892), (3193, 87960), (3665, 76632), (3720, 75499), (4120, 68169), (4398, 63860), (5864, 47895), (6180, 45446), (6386, 43980), (7330, 38316), (8796, 31930), (9579, 29320), (10995, 25544), (12360, 22723), (12772, 21990), (14660, 19158), (15965, 17592)]