21758640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5333}}^1$

素因数の和:5366

約数の個数: 80

約数和(自身を含む): 71432928

約数和(自身を除く): 49674288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5333, 10666, 15999, 21332, 26665, 31998, 42664, 53330, 63996, 79995, 85328, 90661, 106660, 127992, 159990, 181322, 213320, 255984, 271983, 319980, 362644, 426640, 453305, 543966, 639960, 725288, 906610, 1087932, 1279920, 1359915, 1450576, 1813220, 2175864, 2719830, 3626440, 4351728, 5439660, 7252880, 10879320, 21758640]

約数ペア:

[(1, 21758640), (2, 10879320), (3, 7252880), (4, 5439660), (5, 4351728), (6, 3626440), (8, 2719830), (10, 2175864), (12, 1813220), (15, 1450576), (16, 1359915), (17, 1279920), (20, 1087932), (24, 906610), (30, 725288), (34, 639960), (40, 543966), (48, 453305), (51, 426640), (60, 362644), (68, 319980), (80, 271983), (85, 255984), (102, 213320), (120, 181322), (136, 159990), (170, 127992), (204, 106660), (240, 90661), (255, 85328), (272, 79995), (340, 63996), (408, 53330), (510, 42664), (680, 31998), (816, 26665), (1020, 21332), (1360, 15999), (2040, 10666), (4080, 5333)]