1320281880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1554

約数の個数: 256

約数和(自身を含む): 4609612800

約数和(自身を除く): 3289330920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 23, 24, 30, 34, 38, 40, 46, 51, 57, 60, 68, 69, 76, 85, 92, 95, 102, 114, 115, 120, 136, 138, 152, 170, 184, 190, 204, 228, 230, 255, 276, 285, 323, 340, 345, 380, 391, 408, 437, 456, 460, 510, 552, 570, 646, 680, 690, 760, 782, 874, 920, 969, 1020, 1140, 1173, 1292, 1311, 1380, 1481, 1564, 1615, 1748, 1938, 1955, 2040, 2185, 2280, 2346, 2584, 2622, 2760, 2962, 3128, 3230, 3496, 3876, 3910, 4370, 4443, 4692, 4845, 5244, 5865, 5924, 6460, 6555, 7405, 7429, 7752, 7820, 8740, 8886, 9384, 9690, 10488, 11730, 11848, 12920, 13110, 14810, 14858, 15640, 17480, 17772, 19380, 22215, 22287, 23460, 25177, 26220, 28139, 29620, 29716, 34063, 35544, 37145, 38760, 44430, 44574, 46920, 50354, 52440, 56278, 59240, 59432, 68126, 74290, 75531, 84417, 88860, 89148, 100708, 102189, 111435, 112556, 125885, 136252, 140695, 148580, 151062, 168834, 170315, 177720, 178296, 201416, 204378, 222870, 225112, 251770, 272504, 281390, 297160, 302124, 337668, 340630, 377655, 408756, 422085, 445740, 478363, 503540, 510945, 562780, 579071, 604248, 647197, 675336, 681260, 755310, 817512, 844170, 891480, 956726, 1007080, 1021890, 1125560, 1158142, 1294394, 1362520, 1435089, 1510620, 1688340, 1737213, 1913452, 1941591, 2043780, 2316284, 2391815, 2588788, 2870178, 2895355, 3021240, 3235985, 3376680, 3474426, 3826904, 3883182, 4087560, 4632568, 4783630, 5177576, 5740356, 5790710, 6471970, 6948852, 7175445, 7766364, 8686065, 9567260, 9707955, 11002349, 11480712, 11581420, 12943940, 13897704, 14350890, 15532728, 17372130, 19134520, 19415910, 22004698, 23162840, 25887880, 28701780, 33007047, 34744260, 38831820, 44009396, 55011745, 57403560, 66014094, 69488520, 77663640, 88018792, 110023490, 132028188, 165035235, 220046980, 264056376, 330070470, 440093960, 660140940, 1320281880]

約数ペア:

[(1, 1320281880), (2, 660140940), (3, 440093960), (4, 330070470), (5, 264056376), (6, 220046980), (8, 165035235), (10, 132028188), (12, 110023490), (15, 88018792), (17, 77663640), (19, 69488520), (20, 66014094), (23, 57403560), (24, 55011745), (30, 44009396), (34, 38831820), (38, 34744260), (40, 33007047), (46, 28701780), (51, 25887880), (57, 23162840), (60, 22004698), (68, 19415910), (69, 19134520), (76, 17372130), (85, 15532728), (92, 14350890), (95, 13897704), (102, 12943940), (114, 11581420), (115, 11480712), (120, 11002349), (136, 9707955), (138, 9567260), (152, 8686065), (170, 7766364), (184, 7175445), (190, 6948852), (204, 6471970), (228, 5790710), (230, 5740356), (255, 5177576), (276, 4783630), (285, 4632568), (323, 4087560), (340, 3883182), (345, 3826904), (380, 3474426), (391, 3376680), (408, 3235985), (437, 3021240), (456, 2895355), (460, 2870178), (510, 2588788), (552, 2391815), (570, 2316284), (646, 2043780), (680, 1941591), (690, 1913452), (760, 1737213), (782, 1688340), (874, 1510620), (920, 1435089), (969, 1362520), (1020, 1294394), (1140, 1158142), (1173, 1125560), (1292, 1021890), (1311, 1007080), (1380, 956726), (1481, 891480), (1564, 844170), (1615, 817512), (1748, 755310), (1938, 681260), (1955, 675336), (2040, 647197), (2185, 604248), (2280, 579071), (2346, 562780), (2584, 510945), (2622, 503540), (2760, 478363), (2962, 445740), (3128, 422085), (3230, 408756), (3496, 377655), (3876, 340630), (3910, 337668), (4370, 302124), (4443, 297160), (4692, 281390), (4845, 272504), (5244, 251770), (5865, 225112), (5924, 222870), (6460, 204378), (6555, 201416), (7405, 178296), (7429, 177720), (7752, 170315), (7820, 168834), (8740, 151062), (8886, 148580), (9384, 140695), (9690, 136252), (10488, 125885), (11730, 112556), (11848, 111435), (12920, 102189), (13110, 100708), (14810, 89148), (14858, 88860), (15640, 84417), (17480, 75531), (17772, 74290), (19380, 68126), (22215, 59432), (22287, 59240), (23460, 56278), (25177, 52440), (26220, 50354), (28139, 46920), (29620, 44574), (29716, 44430), (34063, 38760), (35544, 37145)]