861431472

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 240

約数和(自身を含む): 2774393856

約数和(自身を除く): 1912962384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 33, 36, 44, 48, 53, 62, 66, 72, 88, 93, 99, 106, 124, 132, 144, 159, 176, 186, 198, 212, 248, 264, 279, 318, 331, 341, 372, 396, 424, 477, 496, 528, 558, 583, 636, 662, 682, 744, 792, 848, 954, 993, 1023, 1116, 1166, 1272, 1324, 1364, 1488, 1584, 1643, 1749, 1908, 1986, 2046, 2232, 2332, 2544, 2648, 2728, 2979, 3069, 3286, 3498, 3641, 3816, 3972, 4092, 4464, 4664, 4929, 5247, 5296, 5456, 5958, 6138, 6572, 6996, 7282, 7632, 7944, 8184, 9328, 9858, 10261, 10494, 10923, 11916, 12276, 13144, 13992, 14564, 14787, 15888, 16368, 17543, 18073, 19716, 20522, 20988, 21846, 23832, 24552, 26288, 27984, 29128, 29574, 30783, 32769, 35086, 36146, 39432, 41044, 41976, 43692, 47664, 49104, 52629, 54219, 58256, 59148, 61566, 65538, 70172, 72292, 78864, 82088, 83952, 87384, 92349, 105258, 108438, 112871, 118296, 123132, 131076, 140344, 144584, 157887, 162657, 164176, 174768, 184698, 192973, 210516, 216876, 225742, 236592, 246264, 262152, 280688, 289168, 315774, 325314, 338613, 369396, 385946, 421032, 433752, 451484, 492528, 524304, 543833, 578919, 631548, 650628, 677226, 738792, 771892, 842064, 867504, 902968, 1015839, 1087666, 1157838, 1263096, 1301256, 1354452, 1477584, 1543784, 1631499, 1736757, 1805936, 2031678, 2175332, 2315676, 2526192, 2602512, 2708904, 3087568, 3262998, 3473514, 4063356, 4350664, 4631352, 4894497, 5417808, 5982163, 6525996, 6947028, 8126712, 8701328, 9262704, 9788994, 11964326, 13051992, 13894056, 16253424, 17946489, 19577988, 23928652, 26103984, 27788112, 35892978, 39155976, 47857304, 53839467, 71785956, 78311952, 95714608, 107678934, 143571912, 215357868, 287143824, 430715736, 861431472]

約数ペア:

[(1, 861431472), (2, 430715736), (3, 287143824), (4, 215357868), (6, 143571912), (8, 107678934), (9, 95714608), (11, 78311952), (12, 71785956), (16, 53839467), (18, 47857304), (22, 39155976), (24, 35892978), (31, 27788112), (33, 26103984), (36, 23928652), (44, 19577988), (48, 17946489), (53, 16253424), (62, 13894056), (66, 13051992), (72, 11964326), (88, 9788994), (93, 9262704), (99, 8701328), (106, 8126712), (124, 6947028), (132, 6525996), (144, 5982163), (159, 5417808), (176, 4894497), (186, 4631352), (198, 4350664), (212, 4063356), (248, 3473514), (264, 3262998), (279, 3087568), (318, 2708904), (331, 2602512), (341, 2526192), (372, 2315676), (396, 2175332), (424, 2031678), (477, 1805936), (496, 1736757), (528, 1631499), (558, 1543784), (583, 1477584), (636, 1354452), (662, 1301256), (682, 1263096), (744, 1157838), (792, 1087666), (848, 1015839), (954, 902968), (993, 867504), (1023, 842064), (1116, 771892), (1166, 738792), (1272, 677226), (1324, 650628), (1364, 631548), (1488, 578919), (1584, 543833), (1643, 524304), (1749, 492528), (1908, 451484), (1986, 433752), (2046, 421032), (2232, 385946), (2332, 369396), (2544, 338613), (2648, 325314), (2728, 315774), (2979, 289168), (3069, 280688), (3286, 262152), (3498, 246264), (3641, 236592), (3816, 225742), (3972, 216876), (4092, 210516), (4464, 192973), (4664, 184698), (4929, 174768), (5247, 164176), (5296, 162657), (5456, 157887), (5958, 144584), (6138, 140344), (6572, 131076), (6996, 123132), (7282, 118296), (7632, 112871), (7944, 108438), (8184, 105258), (9328, 92349), (9858, 87384), (10261, 83952), (10494, 82088), (10923, 78864), (11916, 72292), (12276, 70172), (13144, 65538), (13992, 61566), (14564, 59148), (14787, 58256), (15888, 54219), (16368, 52629), (17543, 49104), (18073, 47664), (19716, 43692), (20522, 41976), (20988, 41044), (21846, 39432), (23832, 36146), (24552, 35086), (26288, 32769), (27984, 30783), (29128, 29574)]