68515720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2727

約数の個数: 96

約数和(自身を含む): 193195800

約数和(自身を除く): 124680080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 2689, 3185, 3640, 5096, 5378, 6370, 10756, 12740, 13445, 18823, 21512, 25480, 26890, 34957, 37646, 53780, 69914, 75292, 94115, 107560, 131761, 139828, 150584, 174785, 188230, 244699, 263522, 279656, 349570, 376460, 489398, 527044, 658805, 699140, 752920, 978796, 1054088, 1223495, 1317610, 1398280, 1712893, 1957592, 2446990, 2635220, 3425786, 4893980, 5270440, 6851572, 8564465, 9787960, 13703144, 17128930, 34257860, 68515720]

約数ペア:

[(1, 68515720), (2, 34257860), (4, 17128930), (5, 13703144), (7, 9787960), (8, 8564465), (10, 6851572), (13, 5270440), (14, 4893980), (20, 3425786), (26, 2635220), (28, 2446990), (35, 1957592), (40, 1712893), (49, 1398280), (52, 1317610), (56, 1223495), (65, 1054088), (70, 978796), (91, 752920), (98, 699140), (104, 658805), (130, 527044), (140, 489398), (182, 376460), (196, 349570), (245, 279656), (260, 263522), (280, 244699), (364, 188230), (392, 174785), (455, 150584), (490, 139828), (520, 131761), (637, 107560), (728, 94115), (910, 75292), (980, 69914), (1274, 53780), (1820, 37646), (1960, 34957), (2548, 26890), (2689, 25480), (3185, 21512), (3640, 18823), (5096, 13445), (5378, 12740), (6370, 10756)]