1640392968

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3469}}^1$

素因数の和:3575

約数の個数: 128

約数和(自身を含む): 4647024000

約数和(自身を除く): 3006631032

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 61, 68, 76, 102, 114, 122, 136, 152, 183, 204, 228, 244, 323, 366, 408, 456, 488, 646, 732, 969, 1037, 1159, 1292, 1464, 1938, 2074, 2318, 2584, 3111, 3469, 3477, 3876, 4148, 4636, 6222, 6938, 6954, 7752, 8296, 9272, 10407, 12444, 13876, 13908, 19703, 20814, 24888, 27752, 27816, 39406, 41628, 58973, 59109, 65911, 78812, 83256, 117946, 118218, 131822, 157624, 176919, 197733, 211609, 235892, 236436, 263644, 353838, 395466, 423218, 471784, 472872, 527288, 634827, 707676, 790932, 846436, 1120487, 1269654, 1415352, 1581864, 1692872, 2240974, 2539308, 3361461, 3597353, 4020571, 4481948, 5078616, 6722922, 7194706, 8041142, 8963896, 10792059, 12061713, 13445844, 14389412, 16082284, 21584118, 24123426, 26891688, 28778824, 32164568, 43168236, 48246852, 68349707, 86336472, 96493704, 136699414, 205049121, 273398828, 410098242, 546797656, 820196484, 1640392968]

約数ペア:

[(1, 1640392968), (2, 820196484), (3, 546797656), (4, 410098242), (6, 273398828), (8, 205049121), (12, 136699414), (17, 96493704), (19, 86336472), (24, 68349707), (34, 48246852), (38, 43168236), (51, 32164568), (57, 28778824), (61, 26891688), (68, 24123426), (76, 21584118), (102, 16082284), (114, 14389412), (122, 13445844), (136, 12061713), (152, 10792059), (183, 8963896), (204, 8041142), (228, 7194706), (244, 6722922), (323, 5078616), (366, 4481948), (408, 4020571), (456, 3597353), (488, 3361461), (646, 2539308), (732, 2240974), (969, 1692872), (1037, 1581864), (1159, 1415352), (1292, 1269654), (1464, 1120487), (1938, 846436), (2074, 790932), (2318, 707676), (2584, 634827), (3111, 527288), (3469, 472872), (3477, 471784), (3876, 423218), (4148, 395466), (4636, 353838), (6222, 263644), (6938, 236436), (6954, 235892), (7752, 211609), (8296, 197733), (9272, 176919), (10407, 157624), (12444, 131822), (13876, 118218), (13908, 117946), (19703, 83256), (20814, 78812), (24888, 65911), (27752, 59109), (27816, 58973), (39406, 41628)]