331765720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1937

約数の個数: 128

約数和(自身を含む): 905748480

約数和(自身を除く): 573982760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1430, 1612, 1705, 1871, 2015, 2728, 2860, 3224, 3410, 3742, 4030, 4433, 5720, 6820, 7484, 8060, 8866, 9355, 13640, 14968, 16120, 17732, 18710, 20581, 22165, 24323, 35464, 37420, 41162, 44330, 48646, 58001, 74840, 82324, 88660, 97292, 102905, 116002, 121615, 164648, 177320, 194584, 205810, 232004, 243230, 267553, 290005, 411620, 464008, 486460, 535106, 580010, 638011, 754013, 823240, 972920, 1070212, 1160020, 1276022, 1337765, 1508026, 2140424, 2320040, 2552044, 2675530, 3016052, 3190055, 3770065, 5104088, 5351060, 6032104, 6380110, 7540130, 8294143, 10702120, 12760220, 15080260, 16588286, 25520440, 30160520, 33176572, 41470715, 66353144, 82941430, 165882860, 331765720]

約数ペア:

[(1, 331765720), (2, 165882860), (4, 82941430), (5, 66353144), (8, 41470715), (10, 33176572), (11, 30160520), (13, 25520440), (20, 16588286), (22, 15080260), (26, 12760220), (31, 10702120), (40, 8294143), (44, 7540130), (52, 6380110), (55, 6032104), (62, 5351060), (65, 5104088), (88, 3770065), (104, 3190055), (110, 3016052), (124, 2675530), (130, 2552044), (143, 2320040), (155, 2140424), (220, 1508026), (248, 1337765), (260, 1276022), (286, 1160020), (310, 1070212), (341, 972920), (403, 823240), (440, 754013), (520, 638011), (572, 580010), (620, 535106), (682, 486460), (715, 464008), (806, 411620), (1144, 290005), (1240, 267553), (1364, 243230), (1430, 232004), (1612, 205810), (1705, 194584), (1871, 177320), (2015, 164648), (2728, 121615), (2860, 116002), (3224, 102905), (3410, 97292), (3742, 88660), (4030, 82324), (4433, 74840), (5720, 58001), (6820, 48646), (7484, 44330), (8060, 41162), (8866, 37420), (9355, 35464), (13640, 24323), (14968, 22165), (16120, 20581), (17732, 18710)]