68700450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:761

約数の個数: 144

約数和(自身を含む): 213736320

約数和(自身を除く): 145035870

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 49, 50, 65, 70, 75, 78, 91, 98, 105, 130, 147, 150, 175, 182, 195, 210, 245, 273, 294, 325, 350, 390, 455, 490, 525, 546, 637, 650, 719, 735, 910, 975, 1050, 1225, 1274, 1365, 1438, 1470, 1911, 1950, 2157, 2275, 2450, 2730, 3185, 3595, 3675, 3822, 4314, 4550, 5033, 6370, 6825, 7190, 7350, 9347, 9555, 10066, 10785, 13650, 15099, 15925, 17975, 18694, 19110, 21570, 25165, 28041, 30198, 31850, 35231, 35950, 46735, 47775, 50330, 53925, 56082, 65429, 70462, 75495, 93470, 95550, 105693, 107850, 125825, 130858, 140205, 150990, 176155, 196287, 211386, 233675, 251650, 280410, 327145, 352310, 377475, 392574, 458003, 467350, 528465, 654290, 701025, 754950, 880775, 916006, 981435, 1056930, 1374009, 1402050, 1635725, 1761550, 1962870, 2290015, 2642325, 2748018, 3271450, 4580030, 4907175, 5284650, 6870045, 9814350, 11450075, 13740090, 22900150, 34350225, 68700450]

約数ペア:

[(1, 68700450), (2, 34350225), (3, 22900150), (5, 13740090), (6, 11450075), (7, 9814350), (10, 6870045), (13, 5284650), (14, 4907175), (15, 4580030), (21, 3271450), (25, 2748018), (26, 2642325), (30, 2290015), (35, 1962870), (39, 1761550), (42, 1635725), (49, 1402050), (50, 1374009), (65, 1056930), (70, 981435), (75, 916006), (78, 880775), (91, 754950), (98, 701025), (105, 654290), (130, 528465), (147, 467350), (150, 458003), (175, 392574), (182, 377475), (195, 352310), (210, 327145), (245, 280410), (273, 251650), (294, 233675), (325, 211386), (350, 196287), (390, 176155), (455, 150990), (490, 140205), (525, 130858), (546, 125825), (637, 107850), (650, 105693), (719, 95550), (735, 93470), (910, 75495), (975, 70462), (1050, 65429), (1225, 56082), (1274, 53925), (1365, 50330), (1438, 47775), (1470, 46735), (1911, 35950), (1950, 35231), (2157, 31850), (2275, 30198), (2450, 28041), (2730, 25165), (3185, 21570), (3595, 19110), (3675, 18694), (3822, 17975), (4314, 15925), (4550, 15099), (5033, 13650), (6370, 10785), (6825, 10066), (7190, 9555), (7350, 9347)]