81236100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 259983360

約数和(自身を除く): 178747260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 103, 110, 132, 150, 165, 206, 220, 239, 275, 300, 309, 330, 412, 478, 515, 550, 618, 660, 717, 825, 956, 1030, 1100, 1133, 1195, 1236, 1434, 1545, 1650, 2060, 2266, 2390, 2575, 2629, 2868, 3090, 3300, 3399, 3585, 4532, 4780, 5150, 5258, 5665, 5975, 6180, 6798, 7170, 7725, 7887, 10300, 10516, 11330, 11950, 13145, 13596, 14340, 15450, 15774, 16995, 17925, 22660, 23900, 24617, 26290, 28325, 30900, 31548, 33990, 35850, 39435, 49234, 52580, 56650, 65725, 67980, 71700, 73851, 78870, 84975, 98468, 113300, 123085, 131450, 147702, 157740, 169950, 197175, 246170, 262900, 270787, 295404, 339900, 369255, 394350, 492340, 541574, 615425, 738510, 788700, 812361, 1083148, 1230850, 1353935, 1477020, 1624722, 1846275, 2461700, 2707870, 3249444, 3692550, 4061805, 5415740, 6769675, 7385100, 8123610, 13539350, 16247220, 20309025, 27078700, 40618050, 81236100]

約数ペア:

[(1, 81236100), (2, 40618050), (3, 27078700), (4, 20309025), (5, 16247220), (6, 13539350), (10, 8123610), (11, 7385100), (12, 6769675), (15, 5415740), (20, 4061805), (22, 3692550), (25, 3249444), (30, 2707870), (33, 2461700), (44, 1846275), (50, 1624722), (55, 1477020), (60, 1353935), (66, 1230850), (75, 1083148), (100, 812361), (103, 788700), (110, 738510), (132, 615425), (150, 541574), (165, 492340), (206, 394350), (220, 369255), (239, 339900), (275, 295404), (300, 270787), (309, 262900), (330, 246170), (412, 197175), (478, 169950), (515, 157740), (550, 147702), (618, 131450), (660, 123085), (717, 113300), (825, 98468), (956, 84975), (1030, 78870), (1100, 73851), (1133, 71700), (1195, 67980), (1236, 65725), (1434, 56650), (1545, 52580), (1650, 49234), (2060, 39435), (2266, 35850), (2390, 33990), (2575, 31548), (2629, 30900), (2868, 28325), (3090, 26290), (3300, 24617), (3399, 23900), (3585, 22660), (4532, 17925), (4780, 16995), (5150, 15774), (5258, 15450), (5665, 14340), (5975, 13596), (6180, 13145), (6798, 11950), (7170, 11330), (7725, 10516), (7887, 10300)]