128120520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 437555520

約数和(自身を除く): 309435000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 101, 110, 120, 124, 132, 155, 165, 186, 202, 220, 248, 264, 303, 310, 330, 341, 372, 404, 440, 465, 505, 606, 620, 660, 682, 744, 808, 930, 961, 1010, 1023, 1111, 1212, 1240, 1320, 1364, 1515, 1705, 1860, 1922, 2020, 2046, 2222, 2424, 2728, 2883, 3030, 3131, 3333, 3410, 3720, 3844, 4040, 4092, 4444, 4805, 5115, 5555, 5766, 6060, 6262, 6666, 6820, 7688, 8184, 8888, 9393, 9610, 10230, 10571, 11110, 11532, 12120, 12524, 13332, 13640, 14415, 15655, 16665, 18786, 19220, 20460, 21142, 22220, 23064, 25048, 26664, 28830, 31310, 31713, 33330, 34441, 37572, 38440, 40920, 42284, 44440, 46965, 52855, 57660, 62620, 63426, 66660, 68882, 75144, 84568, 93930, 97061, 103323, 105710, 115320, 125240, 126852, 133320, 137764, 158565, 172205, 187860, 194122, 206646, 211420, 253704, 275528, 291183, 317130, 344410, 375720, 388244, 413292, 422840, 485305, 516615, 582366, 634260, 688820, 776488, 826584, 970610, 1033230, 1067671, 1164732, 1268520, 1377640, 1455915, 1941220, 2066460, 2135342, 2329464, 2911830, 3203013, 3882440, 4132920, 4270684, 5338355, 5823660, 6406026, 8541368, 10676710, 11647320, 12812052, 16015065, 21353420, 25624104, 32030130, 42706840, 64060260, 128120520]

約数ペア:

[(1, 128120520), (2, 64060260), (3, 42706840), (4, 32030130), (5, 25624104), (6, 21353420), (8, 16015065), (10, 12812052), (11, 11647320), (12, 10676710), (15, 8541368), (20, 6406026), (22, 5823660), (24, 5338355), (30, 4270684), (31, 4132920), (33, 3882440), (40, 3203013), (44, 2911830), (55, 2329464), (60, 2135342), (62, 2066460), (66, 1941220), (88, 1455915), (93, 1377640), (101, 1268520), (110, 1164732), (120, 1067671), (124, 1033230), (132, 970610), (155, 826584), (165, 776488), (186, 688820), (202, 634260), (220, 582366), (248, 516615), (264, 485305), (303, 422840), (310, 413292), (330, 388244), (341, 375720), (372, 344410), (404, 317130), (440, 291183), (465, 275528), (505, 253704), (606, 211420), (620, 206646), (660, 194122), (682, 187860), (744, 172205), (808, 158565), (930, 137764), (961, 133320), (1010, 126852), (1023, 125240), (1111, 115320), (1212, 105710), (1240, 103323), (1320, 97061), (1364, 93930), (1515, 84568), (1705, 75144), (1860, 68882), (1922, 66660), (2020, 63426), (2046, 62620), (2222, 57660), (2424, 52855), (2728, 46965), (2883, 44440), (3030, 42284), (3131, 40920), (3333, 38440), (3410, 37572), (3720, 34441), (3844, 33330), (4040, 31713), (4092, 31310), (4444, 28830), (4805, 26664), (5115, 25048), (5555, 23064), (5766, 22220), (6060, 21142), (6262, 20460), (6666, 19220), (6820, 18786), (7688, 16665), (8184, 15655), (8888, 14415), (9393, 13640), (9610, 13332), (10230, 12524), (10571, 12120), (11110, 11532)]