30213840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 97520544

約数和(自身を除く): 67306704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 131, 155, 186, 240, 248, 262, 310, 372, 393, 465, 496, 524, 620, 655, 744, 786, 930, 961, 1048, 1240, 1310, 1488, 1572, 1860, 1922, 1965, 2096, 2480, 2620, 2883, 3144, 3720, 3844, 3930, 4061, 4805, 5240, 5766, 6288, 7440, 7688, 7860, 8122, 9610, 10480, 11532, 12183, 14415, 15376, 15720, 16244, 19220, 20305, 23064, 24366, 28830, 31440, 32488, 38440, 40610, 46128, 48732, 57660, 60915, 64976, 76880, 81220, 97464, 115320, 121830, 125891, 162440, 194928, 230640, 243660, 251782, 324880, 377673, 487320, 503564, 629455, 755346, 974640, 1007128, 1258910, 1510692, 1888365, 2014256, 2517820, 3021384, 3776730, 5035640, 6042768, 7553460, 10071280, 15106920, 30213840]

約数ペア:

[(1, 30213840), (2, 15106920), (3, 10071280), (4, 7553460), (5, 6042768), (6, 5035640), (8, 3776730), (10, 3021384), (12, 2517820), (15, 2014256), (16, 1888365), (20, 1510692), (24, 1258910), (30, 1007128), (31, 974640), (40, 755346), (48, 629455), (60, 503564), (62, 487320), (80, 377673), (93, 324880), (120, 251782), (124, 243660), (131, 230640), (155, 194928), (186, 162440), (240, 125891), (248, 121830), (262, 115320), (310, 97464), (372, 81220), (393, 76880), (465, 64976), (496, 60915), (524, 57660), (620, 48732), (655, 46128), (744, 40610), (786, 38440), (930, 32488), (961, 31440), (1048, 28830), (1240, 24366), (1310, 23064), (1488, 20305), (1572, 19220), (1860, 16244), (1922, 15720), (1965, 15376), (2096, 14415), (2480, 12183), (2620, 11532), (2883, 10480), (3144, 9610), (3720, 8122), (3844, 7860), (3930, 7688), (4061, 7440), (4805, 6288), (5240, 5766)]