28286640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2347

約数の個数: 120

約数和(自身を含む): 100627488

約数和(自身を除く): 72340848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2311, 2448, 3060, 4080, 4622, 6120, 6933, 9244, 11555, 12240, 13866, 18488, 20799, 23110, 27732, 34665, 36976, 39287, 41598, 46220, 55464, 69330, 78574, 83196, 92440, 103995, 110928, 117861, 138660, 157148, 166392, 184880, 196435, 207990, 235722, 277320, 314296, 332784, 353583, 392870, 415980, 471444, 554640, 589305, 628592, 707166, 785740, 831960, 942888, 1178610, 1414332, 1571480, 1663920, 1767915, 1885776, 2357220, 2828664, 3142960, 3535830, 4714440, 5657328, 7071660, 9428880, 14143320, 28286640]

約数ペア:

[(1, 28286640), (2, 14143320), (3, 9428880), (4, 7071660), (5, 5657328), (6, 4714440), (8, 3535830), (9, 3142960), (10, 2828664), (12, 2357220), (15, 1885776), (16, 1767915), (17, 1663920), (18, 1571480), (20, 1414332), (24, 1178610), (30, 942888), (34, 831960), (36, 785740), (40, 707166), (45, 628592), (48, 589305), (51, 554640), (60, 471444), (68, 415980), (72, 392870), (80, 353583), (85, 332784), (90, 314296), (102, 277320), (120, 235722), (136, 207990), (144, 196435), (153, 184880), (170, 166392), (180, 157148), (204, 138660), (240, 117861), (255, 110928), (272, 103995), (306, 92440), (340, 83196), (360, 78574), (408, 69330), (510, 55464), (612, 46220), (680, 41598), (720, 39287), (765, 36976), (816, 34665), (1020, 27732), (1224, 23110), (1360, 20799), (1530, 18488), (2040, 13866), (2311, 12240), (2448, 11555), (3060, 9244), (4080, 6933), (4622, 6120)]