73280480

素因数分解:

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

素因数の和:761

約数の個数: 144

約数和(自身を含む): 217183680

約数和(自身を除く): 143903200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 719, 728, 784, 910, 980, 1040, 1120, 1274, 1438, 1456, 1568, 1820, 1960, 2080, 2548, 2876, 2912, 3185, 3595, 3640, 3920, 5033, 5096, 5752, 6370, 7190, 7280, 7840, 9347, 10066, 10192, 11504, 12740, 14380, 14560, 18694, 20132, 20384, 23008, 25165, 25480, 28760, 35231, 37388, 40264, 46735, 50330, 50960, 57520, 65429, 70462, 74776, 80528, 93470, 100660, 101920, 115040, 130858, 140924, 149552, 161056, 176155, 186940, 201320, 261716, 281848, 299104, 327145, 352310, 373880, 402640, 458003, 523432, 563696, 654290, 704620, 747760, 805280, 916006, 1046864, 1127392, 1308580, 1409240, 1495520, 1832012, 2093728, 2290015, 2617160, 2818480, 3664024, 4580030, 5234320, 5636960, 7328048, 9160060, 10468640, 14656096, 18320120, 36640240, 73280480]

約数ペア:

[(1, 73280480), (2, 36640240), (4, 18320120), (5, 14656096), (7, 10468640), (8, 9160060), (10, 7328048), (13, 5636960), (14, 5234320), (16, 4580030), (20, 3664024), (26, 2818480), (28, 2617160), (32, 2290015), (35, 2093728), (40, 1832012), (49, 1495520), (52, 1409240), (56, 1308580), (65, 1127392), (70, 1046864), (80, 916006), (91, 805280), (98, 747760), (104, 704620), (112, 654290), (130, 563696), (140, 523432), (160, 458003), (182, 402640), (196, 373880), (208, 352310), (224, 327145), (245, 299104), (260, 281848), (280, 261716), (364, 201320), (392, 186940), (416, 176155), (455, 161056), (490, 149552), (520, 140924), (560, 130858), (637, 115040), (719, 101920), (728, 100660), (784, 93470), (910, 80528), (980, 74776), (1040, 70462), (1120, 65429), (1274, 57520), (1438, 50960), (1456, 50330), (1568, 46735), (1820, 40264), (1960, 37388), (2080, 35231), (2548, 28760), (2876, 25480), (2912, 25165), (3185, 23008), (3595, 20384), (3640, 20132), (3920, 18694), (5033, 14560), (5096, 14380), (5752, 12740), (6370, 11504), (7190, 10192), (7280, 10066), (7840, 9347)]