12912792800

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{8231}}^1$

素因数の和:8341

約数の個数: 144

約数和(自身を含む): 32990200992

約数和(自身を除く): 20077408192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 53, 74, 80, 100, 106, 148, 160, 185, 200, 212, 265, 296, 370, 400, 424, 530, 592, 740, 800, 848, 925, 1060, 1184, 1325, 1480, 1696, 1850, 1961, 2120, 2650, 2960, 3700, 3922, 4240, 5300, 5920, 7400, 7844, 8231, 8480, 9805, 10600, 14800, 15688, 16462, 19610, 21200, 29600, 31376, 32924, 39220, 41155, 42400, 49025, 62752, 65848, 78440, 82310, 98050, 131696, 156880, 164620, 196100, 205775, 263392, 304547, 313760, 329240, 392200, 411550, 436243, 609094, 658480, 784400, 823100, 872486, 1218188, 1316960, 1522735, 1568800, 1646200, 1744972, 2181215, 2436376, 3045470, 3292400, 3489944, 4362430, 4872752, 6090940, 6584800, 6979888, 7613675, 8724860, 9745504, 10906075, 12181880, 13959776, 15227350, 16140991, 17449720, 21812150, 24363760, 30454700, 32281982, 34899440, 43624300, 48727520, 60909400, 64563964, 69798880, 80704955, 87248600, 121818800, 129127928, 161409910, 174497200, 243637600, 258255856, 322819820, 348994400, 403524775, 516511712, 645639640, 807049550, 1291279280, 1614099100, 2582558560, 3228198200, 6456396400, 12912792800]

約数ペア:

[(1, 12912792800), (2, 6456396400), (4, 3228198200), (5, 2582558560), (8, 1614099100), (10, 1291279280), (16, 807049550), (20, 645639640), (25, 516511712), (32, 403524775), (37, 348994400), (40, 322819820), (50, 258255856), (53, 243637600), (74, 174497200), (80, 161409910), (100, 129127928), (106, 121818800), (148, 87248600), (160, 80704955), (185, 69798880), (200, 64563964), (212, 60909400), (265, 48727520), (296, 43624300), (370, 34899440), (400, 32281982), (424, 30454700), (530, 24363760), (592, 21812150), (740, 17449720), (800, 16140991), (848, 15227350), (925, 13959776), (1060, 12181880), (1184, 10906075), (1325, 9745504), (1480, 8724860), (1696, 7613675), (1850, 6979888), (1961, 6584800), (2120, 6090940), (2650, 4872752), (2960, 4362430), (3700, 3489944), (3922, 3292400), (4240, 3045470), (5300, 2436376), (5920, 2181215), (7400, 1744972), (7844, 1646200), (8231, 1568800), (8480, 1522735), (9805, 1316960), (10600, 1218188), (14800, 872486), (15688, 823100), (16462, 784400), (19610, 658480), (21200, 609094), (29600, 436243), (31376, 411550), (32924, 392200), (39220, 329240), (41155, 313760), (42400, 304547), (49025, 263392), (62752, 205775), (65848, 196100), (78440, 164620), (82310, 156880), (98050, 131696)]