131628240

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 280

約数和(自身を含む): 478970088

約数和(自身を除く): 347341848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 61, 72, 74, 80, 81, 90, 108, 111, 120, 122, 135, 144, 148, 162, 180, 183, 185, 216, 222, 240, 243, 244, 270, 296, 305, 324, 333, 360, 366, 370, 405, 432, 444, 486, 488, 540, 549, 555, 592, 610, 648, 666, 720, 729, 732, 740, 810, 888, 915, 972, 976, 999, 1080, 1098, 1110, 1215, 1220, 1296, 1332, 1458, 1464, 1480, 1620, 1647, 1665, 1776, 1830, 1944, 1998, 2160, 2196, 2220, 2257, 2430, 2440, 2664, 2745, 2916, 2928, 2960, 2997, 3240, 3294, 3330, 3645, 3660, 3888, 3996, 4392, 4440, 4514, 4860, 4880, 4941, 4995, 5328, 5490, 5832, 5994, 6480, 6588, 6660, 6771, 7290, 7320, 7992, 8235, 8784, 8880, 8991, 9028, 9720, 9882, 9990, 10980, 11285, 11664, 11988, 13176, 13320, 13542, 14580, 14640, 14823, 14985, 15984, 16470, 17982, 18056, 19440, 19764, 19980, 20313, 21960, 22570, 23976, 24705, 26352, 26640, 26973, 27084, 29160, 29646, 29970, 32940, 33855, 35964, 36112, 39528, 39960, 40626, 43920, 44469, 44955, 45140, 47952, 49410, 53946, 54168, 58320, 59292, 59940, 60939, 65880, 67710, 71928, 74115, 79056, 79920, 81252, 88938, 89910, 90280, 98820, 101565, 107892, 108336, 118584, 119880, 121878, 131760, 134865, 135420, 143856, 148230, 162504, 177876, 179820, 180560, 182817, 197640, 203130, 215784, 222345, 237168, 239760, 243756, 269730, 270840, 296460, 304695, 325008, 355752, 359640, 365634, 395280, 406260, 431568, 444690, 487512, 539460, 541680, 548451, 592920, 609390, 711504, 719280, 731268, 812520, 889380, 914085, 975024, 1078920, 1096902, 1185840, 1218780, 1462536, 1625040, 1645353, 1778760, 1828170, 2157840, 2193804, 2437560, 2742255, 2925072, 3290706, 3557520, 3656340, 4387608, 4875120, 5484510, 6581412, 7312680, 8226765, 8775216, 10969020, 13162824, 14625360, 16453530, 21938040, 26325648, 32907060, 43876080, 65814120, 131628240]

約数ペア:

[(1, 131628240), (2, 65814120), (3, 43876080), (4, 32907060), (5, 26325648), (6, 21938040), (8, 16453530), (9, 14625360), (10, 13162824), (12, 10969020), (15, 8775216), (16, 8226765), (18, 7312680), (20, 6581412), (24, 5484510), (27, 4875120), (30, 4387608), (36, 3656340), (37, 3557520), (40, 3290706), (45, 2925072), (48, 2742255), (54, 2437560), (60, 2193804), (61, 2157840), (72, 1828170), (74, 1778760), (80, 1645353), (81, 1625040), (90, 1462536), (108, 1218780), (111, 1185840), (120, 1096902), (122, 1078920), (135, 975024), (144, 914085), (148, 889380), (162, 812520), (180, 731268), (183, 719280), (185, 711504), (216, 609390), (222, 592920), (240, 548451), (243, 541680), (244, 539460), (270, 487512), (296, 444690), (305, 431568), (324, 406260), (333, 395280), (360, 365634), (366, 359640), (370, 355752), (405, 325008), (432, 304695), (444, 296460), (486, 270840), (488, 269730), (540, 243756), (549, 239760), (555, 237168), (592, 222345), (610, 215784), (648, 203130), (666, 197640), (720, 182817), (729, 180560), (732, 179820), (740, 177876), (810, 162504), (888, 148230), (915, 143856), (972, 135420), (976, 134865), (999, 131760), (1080, 121878), (1098, 119880), (1110, 118584), (1215, 108336), (1220, 107892), (1296, 101565), (1332, 98820), (1458, 90280), (1464, 89910), (1480, 88938), (1620, 81252), (1647, 79920), (1665, 79056), (1776, 74115), (1830, 71928), (1944, 67710), (1998, 65880), (2160, 60939), (2196, 59940), (2220, 59292), (2257, 58320), (2430, 54168), (2440, 53946), (2664, 49410), (2745, 47952), (2916, 45140), (2928, 44955), (2960, 44469), (2997, 43920), (3240, 40626), (3294, 39960), (3330, 39528), (3645, 36112), (3660, 35964), (3888, 33855), (3996, 32940), (4392, 29970), (4440, 29646), (4514, 29160), (4860, 27084), (4880, 26973), (4941, 26640), (4995, 26352), (5328, 24705), (5490, 23976), (5832, 22570), (5994, 21960), (6480, 20313), (6588, 19980), (6660, 19764), (6771, 19440), (7290, 18056), (7320, 17982), (7992, 16470), (8235, 15984), (8784, 14985), (8880, 14823), (8991, 14640), (9028, 14580), (9720, 13542), (9882, 13320), (9990, 13176), (10980, 11988), (11285, 11664)]