31227120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 200

約数和(自身を含む): 111629760

約数和(自身を除く): 80402640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 79, 80, 81, 90, 108, 120, 122, 135, 144, 158, 162, 180, 183, 216, 237, 240, 244, 270, 305, 316, 324, 360, 366, 395, 405, 432, 474, 488, 540, 549, 610, 632, 648, 711, 720, 732, 790, 810, 915, 948, 976, 1080, 1098, 1185, 1220, 1264, 1296, 1422, 1464, 1580, 1620, 1647, 1830, 1896, 2133, 2160, 2196, 2370, 2440, 2745, 2844, 2928, 3160, 3240, 3294, 3555, 3660, 3792, 4266, 4392, 4740, 4819, 4880, 4941, 5490, 5688, 6320, 6399, 6480, 6588, 7110, 7320, 8235, 8532, 8784, 9480, 9638, 9882, 10665, 10980, 11376, 12798, 13176, 14220, 14457, 14640, 16470, 17064, 18960, 19276, 19764, 21330, 21960, 24095, 24705, 25596, 26352, 28440, 28914, 31995, 32940, 34128, 38552, 39528, 42660, 43371, 43920, 48190, 49410, 51192, 56880, 57828, 63990, 65880, 72285, 77104, 79056, 85320, 86742, 96380, 98820, 102384, 115656, 127980, 130113, 131760, 144570, 170640, 173484, 192760, 197640, 216855, 231312, 255960, 260226, 289140, 346968, 385520, 390339, 395280, 433710, 511920, 520452, 578280, 650565, 693936, 780678, 867420, 1040904, 1156560, 1301130, 1561356, 1734840, 1951695, 2081808, 2602260, 3122712, 3469680, 3903390, 5204520, 6245424, 7806780, 10409040, 15613560, 31227120]

約数ペア:

[(1, 31227120), (2, 15613560), (3, 10409040), (4, 7806780), (5, 6245424), (6, 5204520), (8, 3903390), (9, 3469680), (10, 3122712), (12, 2602260), (15, 2081808), (16, 1951695), (18, 1734840), (20, 1561356), (24, 1301130), (27, 1156560), (30, 1040904), (36, 867420), (40, 780678), (45, 693936), (48, 650565), (54, 578280), (60, 520452), (61, 511920), (72, 433710), (79, 395280), (80, 390339), (81, 385520), (90, 346968), (108, 289140), (120, 260226), (122, 255960), (135, 231312), (144, 216855), (158, 197640), (162, 192760), (180, 173484), (183, 170640), (216, 144570), (237, 131760), (240, 130113), (244, 127980), (270, 115656), (305, 102384), (316, 98820), (324, 96380), (360, 86742), (366, 85320), (395, 79056), (405, 77104), (432, 72285), (474, 65880), (488, 63990), (540, 57828), (549, 56880), (610, 51192), (632, 49410), (648, 48190), (711, 43920), (720, 43371), (732, 42660), (790, 39528), (810, 38552), (915, 34128), (948, 32940), (976, 31995), (1080, 28914), (1098, 28440), (1185, 26352), (1220, 25596), (1264, 24705), (1296, 24095), (1422, 21960), (1464, 21330), (1580, 19764), (1620, 19276), (1647, 18960), (1830, 17064), (1896, 16470), (2133, 14640), (2160, 14457), (2196, 14220), (2370, 13176), (2440, 12798), (2745, 11376), (2844, 10980), (2928, 10665), (3160, 9882), (3240, 9638), (3294, 9480), (3555, 8784), (3660, 8532), (3792, 8235), (4266, 7320), (4392, 7110), (4740, 6588), (4819, 6480), (4880, 6399), (4941, 6320), (5490, 5688)]