30221280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:729

約数の個数: 144

約数和(自身を含む): 106614144

約数和(自身を除く): 76392864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 677, 720, 744, 930, 992, 1116, 1240, 1354, 1395, 1440, 1488, 1860, 2031, 2232, 2480, 2708, 2790, 2976, 3385, 3720, 4062, 4464, 4960, 5416, 5580, 6093, 6770, 7440, 8124, 8928, 10155, 10832, 11160, 12186, 13540, 14880, 16248, 20310, 20987, 21664, 22320, 24372, 27080, 30465, 32496, 40620, 41974, 44640, 48744, 54160, 60930, 62961, 64992, 81240, 83948, 97488, 104935, 108320, 121860, 125922, 162480, 167896, 188883, 194976, 209870, 243720, 251844, 314805, 324960, 335792, 377766, 419740, 487440, 503688, 629610, 671584, 755532, 839480, 944415, 974880, 1007376, 1259220, 1511064, 1678960, 1888830, 2014752, 2518440, 3022128, 3357920, 3777660, 5036880, 6044256, 7555320, 10073760, 15110640, 30221280]

約数ペア:

[(1, 30221280), (2, 15110640), (3, 10073760), (4, 7555320), (5, 6044256), (6, 5036880), (8, 3777660), (9, 3357920), (10, 3022128), (12, 2518440), (15, 2014752), (16, 1888830), (18, 1678960), (20, 1511064), (24, 1259220), (30, 1007376), (31, 974880), (32, 944415), (36, 839480), (40, 755532), (45, 671584), (48, 629610), (60, 503688), (62, 487440), (72, 419740), (80, 377766), (90, 335792), (93, 324960), (96, 314805), (120, 251844), (124, 243720), (144, 209870), (155, 194976), (160, 188883), (180, 167896), (186, 162480), (240, 125922), (248, 121860), (279, 108320), (288, 104935), (310, 97488), (360, 83948), (372, 81240), (465, 64992), (480, 62961), (496, 60930), (558, 54160), (620, 48744), (677, 44640), (720, 41974), (744, 40620), (930, 32496), (992, 30465), (1116, 27080), (1240, 24372), (1354, 22320), (1395, 21664), (1440, 20987), (1488, 20310), (1860, 16248), (2031, 14880), (2232, 13540), (2480, 12186), (2708, 11160), (2790, 10832), (2976, 10155), (3385, 8928), (3720, 8124), (4062, 7440), (4464, 6770), (4960, 6093), (5416, 5580)]