20668151040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{19861}}^1$

素因数の和:20156

約数の個数: 144

約数和(自身を含む): 66255818496

約数和(自身を除く): 45587667456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 271, 320, 384, 480, 542, 640, 768, 813, 960, 1084, 1280, 1355, 1626, 1920, 2168, 2710, 3252, 3840, 4065, 4336, 5420, 6504, 8130, 8672, 10840, 13008, 16260, 17344, 19861, 21680, 26016, 32520, 34688, 39722, 43360, 52032, 59583, 65040, 69376, 79444, 86720, 99305, 104064, 119166, 130080, 158888, 173440, 198610, 208128, 238332, 260160, 297915, 317776, 346880, 397220, 476664, 520320, 595830, 635552, 794440, 953328, 1040640, 1191660, 1271104, 1588880, 1906656, 2383320, 2542208, 3177760, 3813312, 4766640, 5084416, 5382331, 6355520, 7626624, 9533280, 10764662, 12711040, 15253248, 16146993, 19066560, 21529324, 25422080, 26911655, 32293986, 38133120, 43058648, 53823310, 64587972, 76266240, 80734965, 86117296, 107646620, 129175944, 161469930, 172234592, 215293240, 258351888, 322939860, 344469184, 430586480, 516703776, 645879720, 688938368, 861172960, 1033407552, 1291759440, 1377876736, 1722345920, 2066815104, 2583518880, 3444691840, 4133630208, 5167037760, 6889383680, 10334075520, 20668151040]

約数ペア:

[(1, 20668151040), (2, 10334075520), (3, 6889383680), (4, 5167037760), (5, 4133630208), (6, 3444691840), (8, 2583518880), (10, 2066815104), (12, 1722345920), (15, 1377876736), (16, 1291759440), (20, 1033407552), (24, 861172960), (30, 688938368), (32, 645879720), (40, 516703776), (48, 430586480), (60, 344469184), (64, 322939860), (80, 258351888), (96, 215293240), (120, 172234592), (128, 161469930), (160, 129175944), (192, 107646620), (240, 86117296), (256, 80734965), (271, 76266240), (320, 64587972), (384, 53823310), (480, 43058648), (542, 38133120), (640, 32293986), (768, 26911655), (813, 25422080), (960, 21529324), (1084, 19066560), (1280, 16146993), (1355, 15253248), (1626, 12711040), (1920, 10764662), (2168, 9533280), (2710, 7626624), (3252, 6355520), (3840, 5382331), (4065, 5084416), (4336, 4766640), (5420, 3813312), (6504, 3177760), (8130, 2542208), (8672, 2383320), (10840, 1906656), (13008, 1588880), (16260, 1271104), (17344, 1191660), (19861, 1040640), (21680, 953328), (26016, 794440), (32520, 635552), (34688, 595830), (39722, 520320), (43360, 476664), (52032, 397220), (59583, 346880), (65040, 317776), (69376, 297915), (79444, 260160), (86720, 238332), (99305, 208128), (104064, 198610), (119166, 173440), (130080, 158888)]