72861880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 207607680

約数和(自身を除く): 134745800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 541, 728, 740, 910, 962, 1036, 1082, 1295, 1480, 1820, 1924, 2072, 2164, 2405, 2590, 2705, 3367, 3640, 3787, 3848, 4328, 4810, 5180, 5410, 6734, 7033, 7574, 9620, 10360, 10820, 13468, 14066, 15148, 16835, 18935, 19240, 20017, 21640, 26936, 28132, 30296, 33670, 35165, 37870, 40034, 49231, 56264, 67340, 70330, 75740, 80068, 98462, 100085, 134680, 140119, 140660, 151480, 160136, 196924, 200170, 246155, 260221, 280238, 281320, 393848, 400340, 492310, 520442, 560476, 700595, 800680, 984620, 1040884, 1120952, 1301105, 1401190, 1821547, 1969240, 2081768, 2602210, 2802380, 3643094, 5204420, 5604760, 7286188, 9107735, 10408840, 14572376, 18215470, 36430940, 72861880]

約数ペア:

[(1, 72861880), (2, 36430940), (4, 18215470), (5, 14572376), (7, 10408840), (8, 9107735), (10, 7286188), (13, 5604760), (14, 5204420), (20, 3643094), (26, 2802380), (28, 2602210), (35, 2081768), (37, 1969240), (40, 1821547), (52, 1401190), (56, 1301105), (65, 1120952), (70, 1040884), (74, 984620), (91, 800680), (104, 700595), (130, 560476), (140, 520442), (148, 492310), (182, 400340), (185, 393848), (259, 281320), (260, 280238), (280, 260221), (296, 246155), (364, 200170), (370, 196924), (455, 160136), (481, 151480), (518, 140660), (520, 140119), (541, 134680), (728, 100085), (740, 98462), (910, 80068), (962, 75740), (1036, 70330), (1082, 67340), (1295, 56264), (1480, 49231), (1820, 40034), (1924, 37870), (2072, 35165), (2164, 33670), (2405, 30296), (2590, 28132), (2705, 26936), (3367, 21640), (3640, 20017), (3787, 19240), (3848, 18935), (4328, 16835), (4810, 15148), (5180, 14066), (5410, 13468), (6734, 10820), (7033, 10360), (7574, 9620)]