72740816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 158323200

約数和(自身を除く): 85582384

約数列:

[1, 2, 4, 8, 16, 19, 29, 37, 38, 58, 74, 76, 116, 148, 152, 223, 232, 296, 304, 446, 464, 551, 592, 703, 892, 1073, 1102, 1406, 1784, 2146, 2204, 2812, 3568, 4237, 4292, 4408, 5624, 6467, 8251, 8474, 8584, 8816, 11248, 12934, 16502, 16948, 17168, 20387, 25868, 33004, 33896, 40774, 51736, 66008, 67792, 81548, 103472, 122873, 132016, 156769, 163096, 239279, 245746, 313538, 326192, 478558, 491492, 627076, 957116, 982984, 1254152, 1914232, 1965968, 2508304, 3828464, 4546301, 9092602, 18185204, 36370408, 72740816]

約数ペア:

[(1, 72740816), (2, 36370408), (4, 18185204), (8, 9092602), (16, 4546301), (19, 3828464), (29, 2508304), (37, 1965968), (38, 1914232), (58, 1254152), (74, 982984), (76, 957116), (116, 627076), (148, 491492), (152, 478558), (223, 326192), (232, 313538), (296, 245746), (304, 239279), (446, 163096), (464, 156769), (551, 132016), (592, 122873), (703, 103472), (892, 81548), (1073, 67792), (1102, 66008), (1406, 51736), (1784, 40774), (2146, 33896), (2204, 33004), (2812, 25868), (3568, 20387), (4237, 17168), (4292, 16948), (4408, 16502), (5624, 12934), (6467, 11248), (8251, 8816), (8474, 8584)]