861894720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{829}}^1$

素因数の和:890

約数の個数: 252

約数和(自身を含む): 3132574380

約数和(自身を除く): 2270679660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 361, 380, 456, 480, 570, 576, 608, 684, 720, 722, 760, 829, 855, 912, 960, 1083, 1140, 1216, 1368, 1440, 1444, 1520, 1658, 1710, 1805, 1824, 2166, 2280, 2487, 2736, 2880, 2888, 3040, 3249, 3316, 3420, 3610, 3648, 4145, 4332, 4560, 4974, 5415, 5472, 5776, 6080, 6498, 6632, 6840, 7220, 7461, 8290, 8664, 9120, 9948, 10830, 10944, 11552, 12435, 12996, 13264, 13680, 14440, 14922, 15751, 16245, 16580, 17328, 18240, 19896, 21660, 23104, 24870, 25992, 26528, 27360, 28880, 29844, 31502, 32490, 33160, 34656, 37305, 39792, 43320, 47253, 49740, 51984, 53056, 54720, 57760, 59688, 63004, 64980, 66320, 69312, 74610, 78755, 79584, 86640, 94506, 99480, 103968, 115520, 119376, 126008, 129960, 132640, 141759, 149220, 157510, 159168, 173280, 189012, 198960, 207936, 236265, 238752, 252016, 259920, 265280, 283518, 298440, 299269, 315020, 346560, 378024, 397920, 472530, 477504, 504032, 519840, 567036, 596880, 598538, 630040, 708795, 756048, 795840, 897807, 945060, 1008064, 1039680, 1134072, 1193760, 1197076, 1260080, 1417590, 1496345, 1512096, 1795614, 1890120, 2268144, 2387520, 2394152, 2520160, 2693421, 2835180, 2992690, 3024192, 3591228, 3780240, 4489035, 4536288, 4788304, 5040320, 5386842, 5670360, 5985380, 7182456, 7560480, 8978070, 9072576, 9576608, 10773684, 11340720, 11970760, 13467105, 14364912, 15120960, 17956140, 19153216, 21547368, 22681440, 23941520, 26934210, 28729824, 35912280, 43094736, 45362880, 47883040, 53868420, 57459648, 71824560, 86189472, 95766080, 107736840, 143649120, 172378944, 215473680, 287298240, 430947360, 861894720]

約数ペア:

[(1, 861894720), (2, 430947360), (3, 287298240), (4, 215473680), (5, 172378944), (6, 143649120), (8, 107736840), (9, 95766080), (10, 86189472), (12, 71824560), (15, 57459648), (16, 53868420), (18, 47883040), (19, 45362880), (20, 43094736), (24, 35912280), (30, 28729824), (32, 26934210), (36, 23941520), (38, 22681440), (40, 21547368), (45, 19153216), (48, 17956140), (57, 15120960), (60, 14364912), (64, 13467105), (72, 11970760), (76, 11340720), (80, 10773684), (90, 9576608), (95, 9072576), (96, 8978070), (114, 7560480), (120, 7182456), (144, 5985380), (152, 5670360), (160, 5386842), (171, 5040320), (180, 4788304), (190, 4536288), (192, 4489035), (228, 3780240), (240, 3591228), (285, 3024192), (288, 2992690), (304, 2835180), (320, 2693421), (342, 2520160), (360, 2394152), (361, 2387520), (380, 2268144), (456, 1890120), (480, 1795614), (570, 1512096), (576, 1496345), (608, 1417590), (684, 1260080), (720, 1197076), (722, 1193760), (760, 1134072), (829, 1039680), (855, 1008064), (912, 945060), (960, 897807), (1083, 795840), (1140, 756048), (1216, 708795), (1368, 630040), (1440, 598538), (1444, 596880), (1520, 567036), (1658, 519840), (1710, 504032), (1805, 477504), (1824, 472530), (2166, 397920), (2280, 378024), (2487, 346560), (2736, 315020), (2880, 299269), (2888, 298440), (3040, 283518), (3249, 265280), (3316, 259920), (3420, 252016), (3610, 238752), (3648, 236265), (4145, 207936), (4332, 198960), (4560, 189012), (4974, 173280), (5415, 159168), (5472, 157510), (5776, 149220), (6080, 141759), (6498, 132640), (6632, 129960), (6840, 126008), (7220, 119376), (7461, 115520), (8290, 103968), (8664, 99480), (9120, 94506), (9948, 86640), (10830, 79584), (10944, 78755), (11552, 74610), (12435, 69312), (12996, 66320), (13264, 64980), (13680, 63004), (14440, 59688), (14922, 57760), (15751, 54720), (16245, 53056), (16580, 51984), (17328, 49740), (18240, 47253), (19896, 43320), (21660, 39792), (23104, 37305), (24870, 34656), (25992, 33160), (26528, 32490), (27360, 31502), (28880, 29844)]